Riješi [15-(x^{4}-frac{x^{4}+1}{x^{2}+1})*frac{(x^{2}+1)(x-4)}{x^7+6x^6-x-6}]:x^2+29x+78/3x^2+12x-36=

$$[ 15 - ( x ^ { 4 } - \frac { x ^ { 4 } + 1 } { x ^ { 2 } + 1 } ) \cdot \frac { ( x ^ { 2 } + 1 ) ( x - 4 ) } { x ^ { 7 } + 6 x ^ { 6 } - x - 6 } ] : \frac { x ^ { 2 } + 29 x + 78 } { 3 x ^ { 2 } + 12 x - 36 } =$$

Izračunaj

$$\frac{6\left(x-2\right)\left(7x+47\right)}{\left(x+3\right)\left(x+26\right)}$$

Kratki koraci za rješenje

Da biste zbrojili ili oduzeli izraze, proširite ih da bi imali iste nazivnike. Pomnožite x^{4} i \frac{x^{2}+1}{x^{2}+1}.

$$\frac{15-\left(\frac{x^{4}\left(x^{2}+1\right)}{x^{2}+1}-\frac{x^{4}+1}{x^{2}+1}\right)\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Budući da \frac{x^{4}\left(x^{2}+1\right)}{x^{2}+1} i \frac{x^{4}+1}{x^{2}+1} imaju isti nazivnik, oduzmite ih oduzimanje njihovih brojnika.

$$\frac{15-\frac{x^{4}\left(x^{2}+1\right)-\left(x^{4}+1\right)}{x^{2}+1}\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Pomnožite izraz x^{4}\left(x^{2}+1\right)-\left(x^{4}+1\right).

$$\frac{15-\frac{x^{6}+x^{4}-x^{4}-1}{x^{2}+1}\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Kombinirajte slične izraze u x^{6}+x^{4}-x^{4}-1.

$$\frac{15-\frac{x^{6}-1}{x^{2}+1}\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Pomnožite \frac{x^{6}-1}{x^{2}+1} i \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6} tako da pomnožite brojnik s brojnikom i nazivnik s nazivnikom.

$$\frac{15-\frac{\left(x^{6}-1\right)\left(x^{2}+1\right)\left(x-4\right)}{\left(x^{2}+1\right)\left(x^{7}+6x^{6}-x-6\right)}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Skratite x^{2}+1 u brojniku i nazivniku.

$$\frac{15-\frac{\left(x-4\right)\left(x^{6}-1\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Rastavite na faktore izraze koji još nisu rastavljeni na faktore u izrazu \frac{\left(x-4\right)\left(x^{6}-1\right)}{x^{7}+6x^{6}-x-6}.

$$\frac{15-\frac{\left(x-4\right)\left(x-1\right)\left(x+1\right)\left(x^{2}+x+1\right)\left(x^{2}-x+1\right)}{\left(x-1\right)\left(x+1\right)\left(x+6\right)\left(x^{2}+x+1\right)\left(x^{2}-x+1\right)}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Skratite \left(x-1\right)\left(x+1\right)\left(x^{2}+x+1\right)\left(x^{2}-x+1\right) u brojniku i nazivniku.

$$\frac{15-\frac{x-4}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Da biste zbrojili ili oduzeli izraze, proširite ih da bi imali iste nazivnike. Pomnožite 15 i \frac{x+6}{x+6}.

$$\frac{\frac{15\left(x+6\right)}{x+6}-\frac{x-4}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Budući da \frac{15\left(x+6\right)}{x+6} i \frac{x-4}{x+6} imaju isti nazivnik, oduzmite ih oduzimanje njihovih brojnika.

$$\frac{\frac{15\left(x+6\right)-\left(x-4\right)}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Pomnožite izraz 15\left(x+6\right)-\left(x-4\right).

$$\frac{\frac{15x+90-x+4}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Kombinirajte slične izraze u 15x+90-x+4.

$$\frac{\frac{14x+94}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Podijelite \frac{14x+94}{x+6} s \frac{x^{2}+29x+78}{3x^{2}+12x-36} tako da pomnožite \frac{14x+94}{x+6} s brojem recipročnim broju \frac{x^{2}+29x+78}{3x^{2}+12x-36}.

$$\frac{\left(14x+94\right)\left(3x^{2}+12x-36\right)}{\left(x+6\right)\left(x^{2}+29x+78\right)}$$

Rastavite na faktore izraze koji još nisu rastavljeni na faktore.

$$\frac{2\times 3\left(x-2\right)\left(x+6\right)\left(7x+47\right)}{\left(x+3\right)\left(x+6\right)\left(x+26\right)}$$

Skratite x+6 u brojniku i nazivniku.

$$\frac{2\times 3\left(x-2\right)\left(7x+47\right)}{\left(x+3\right)\left(x+26\right)}$$

Proširite izraz.

$$\frac{42x^{2}+198x-564}{x^{2}+29x+78}$$

Proširi

$$\frac{6\left(7x^{2}+33x-94\right)}{x^{2}+29x+78}$$

Kratki koraci za rješenje

Da biste zbrojili ili oduzeli izraze, proširite ih da bi imali iste nazivnike. Pomnožite x^{4} i \frac{x^{2}+1}{x^{2}+1}.

$$\frac{15-\left(\frac{x^{4}\left(x^{2}+1\right)}{x^{2}+1}-\frac{x^{4}+1}{x^{2}+1}\right)\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Budući da \frac{x^{4}\left(x^{2}+1\right)}{x^{2}+1} i \frac{x^{4}+1}{x^{2}+1} imaju isti nazivnik, oduzmite ih oduzimanje njihovih brojnika.

$$\frac{15-\frac{x^{4}\left(x^{2}+1\right)-\left(x^{4}+1\right)}{x^{2}+1}\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Pomnožite izraz x^{4}\left(x^{2}+1\right)-\left(x^{4}+1\right).

$$\frac{15-\frac{x^{6}+x^{4}-x^{4}-1}{x^{2}+1}\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Kombinirajte slične izraze u x^{6}+x^{4}-x^{4}-1.

$$\frac{15-\frac{x^{6}-1}{x^{2}+1}\times \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Pomnožite \frac{x^{6}-1}{x^{2}+1} i \frac{\left(x^{2}+1\right)\left(x-4\right)}{x^{7}+6x^{6}-x-6} tako da pomnožite brojnik s brojnikom i nazivnik s nazivnikom.

$$\frac{15-\frac{\left(x^{6}-1\right)\left(x^{2}+1\right)\left(x-4\right)}{\left(x^{2}+1\right)\left(x^{7}+6x^{6}-x-6\right)}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Skratite x^{2}+1 u brojniku i nazivniku.

$$\frac{15-\frac{\left(x-4\right)\left(x^{6}-1\right)}{x^{7}+6x^{6}-x-6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Rastavite na faktore izraze koji još nisu rastavljeni na faktore u izrazu \frac{\left(x-4\right)\left(x^{6}-1\right)}{x^{7}+6x^{6}-x-6}.

$$\frac{15-\frac{\left(x-4\right)\left(x-1\right)\left(x+1\right)\left(x^{2}+x+1\right)\left(x^{2}-x+1\right)}{\left(x-1\right)\left(x+1\right)\left(x+6\right)\left(x^{2}+x+1\right)\left(x^{2}-x+1\right)}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Skratite \left(x-1\right)\left(x+1\right)\left(x^{2}+x+1\right)\left(x^{2}-x+1\right) u brojniku i nazivniku.

$$\frac{15-\frac{x-4}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Da biste zbrojili ili oduzeli izraze, proširite ih da bi imali iste nazivnike. Pomnožite 15 i \frac{x+6}{x+6}.

$$\frac{\frac{15\left(x+6\right)}{x+6}-\frac{x-4}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Budući da \frac{15\left(x+6\right)}{x+6} i \frac{x-4}{x+6} imaju isti nazivnik, oduzmite ih oduzimanje njihovih brojnika.

$$\frac{\frac{15\left(x+6\right)-\left(x-4\right)}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Pomnožite izraz 15\left(x+6\right)-\left(x-4\right).

$$\frac{\frac{15x+90-x+4}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Kombinirajte slične izraze u 15x+90-x+4.

$$\frac{\frac{14x+94}{x+6}}{\frac{x^{2}+29x+78}{3x^{2}+12x-36}}$$

Podijelite \frac{14x+94}{x+6} s \frac{x^{2}+29x+78}{3x^{2}+12x-36} tako da pomnožite \frac{14x+94}{x+6} s brojem recipročnim broju \frac{x^{2}+29x+78}{3x^{2}+12x-36}.

$$\frac{\left(14x+94\right)\left(3x^{2}+12x-36\right)}{\left(x+6\right)\left(x^{2}+29x+78\right)}$$

Rastavite na faktore izraze koji još nisu rastavljeni na faktore.

$$\frac{2\times 3\left(x-2\right)\left(x+6\right)\left(7x+47\right)}{\left(x+3\right)\left(x+6\right)\left(x+26\right)}$$

Skratite x+6 u brojniku i nazivniku.

$$\frac{2\times 3\left(x-2\right)\left(7x+47\right)}{\left(x+3\right)\left(x+26\right)}$$

Proširite izraz.

$$\frac{42x^{2}+198x-564}{x^{2}+29x+78}$$