Lahenda 0.49-x^2/0.7-xtext{para}x=-1.3é

$$\frac { 0.49 - x ^ { 2 } } { 0.7 - x } \text { para } x = - 1.3 é$$

Lahendage ja leidke p (complex solution)

$$\left\{\begin{matrix}p=-\frac{13é}{rx\left(10x+7\right)a^{2}}\text{, }&a\neq 0\text{ and }r\neq 0\text{ and }x\neq -\frac{7}{10}\text{ and }x\neq 0\text{ and }x\neq \frac{7}{10}\\p\in \mathrm{C}\text{, }&\left(a=0\text{ or }r=0\text{ or }x=-\frac{7}{10}\text{ or }x=0\right)\text{ and }é=0\text{ and }x\neq \frac{7}{10}\end{matrix}\right,$$

Juhised lineaarvõrrandi lahendamiseks

Korrutage a ja a, et leida a^{2}.

$$\frac{0,49-x^{2}}{0,7-x}pa^{2}rx=-1,3é$$

Võrrand on standardkujul.

$$\left(-rx\left(-x-0,7\right)a^{2}\right)p=-\frac{13é}{10}$$

Jagage mõlemad pooled -\left(-x-0,7\right)a^{2}rx-ga.

$$\frac{\left(-rx\left(-x-0,7\right)a^{2}\right)p}{-rx\left(-x-0,7\right)a^{2}}=-\frac{\frac{13é}{10}}{-rx\left(-x-0,7\right)a^{2}}$$

-\left(-x-0,7\right)a^{2}rx-ga jagamine võtab -\left(-x-0,7\right)a^{2}rx-ga korrutamise tagasi.

$$p=-\frac{\frac{13é}{10}}{-rx\left(-x-0,7\right)a^{2}}$$

Jagage -\frac{13é}{10} väärtusega -\left(-x-0,7\right)a^{2}rx.

$$p=-\frac{13é}{10rx\left(x+\frac{7}{10}\right)a^{2}}$$

Lahendage ja leidke p

$$\left\{\begin{matrix}p=-\frac{13é}{rx\left(10x+7\right)a^{2}}\text{, }&a\neq 0\text{ and }r\neq 0\text{ and }x\neq 0\text{ and }|x|\neq \frac{7}{10}\\p\in \mathrm{R}\text{, }&\left(a=0\text{ or }r=0\text{ or }x=-\frac{7}{10}\text{ or }x=0\right)\text{ and }é=0\text{ and }x\neq \frac{7}{10}\end{matrix}\right,$$

Juhised lineaarvõrrandi lahendamiseks

Korrutage a ja a, et leida a^{2}.

$$\frac{0,49-x^{2}}{0,7-x}pa^{2}rx=-1,3é$$

Võrrand on standardkujul.

$$\left(-rx\left(-x-0,7\right)a^{2}\right)p=-\frac{13é}{10}$$

Jagage mõlemad pooled -\left(-x-0,7\right)a^{2}rx-ga.

$$\frac{\left(-rx\left(-x-0,7\right)a^{2}\right)p}{-rx\left(-x-0,7\right)a^{2}}=-\frac{\frac{13é}{10}}{-rx\left(-x-0,7\right)a^{2}}$$

-\left(-x-0,7\right)a^{2}rx-ga jagamine võtab -\left(-x-0,7\right)a^{2}rx-ga korrutamise tagasi.

$$p=-\frac{\frac{13é}{10}}{-rx\left(-x-0,7\right)a^{2}}$$

Jagage -\frac{13é}{10} väärtusega -\left(-x-0,7\right)a^{2}rx.

$$p=-\frac{13é}{10rx\left(x+\frac{7}{10}\right)a^{2}}$$

Lahendage ja leidke a (complex solution)

$$\left\{\begin{matrix}a=-ip^{-0,5}r^{-0,5}x^{-0,5}\left(10x+7\right)^{-0,5}\sqrt{13é}\text{; }a=ip^{-0,5}r^{-0,5}x^{-0,5}\left(10x+7\right)^{-0,5}\sqrt{13é}\text{, }&x\neq 0\text{ and }r\neq 0\text{ and }p\neq 0\text{ and }x\neq -\frac{7}{10}\text{ and }x\neq \frac{7}{10}\\a\in \mathrm{C}\text{, }&x\neq \frac{7}{10}\text{ and }\left(r=0\text{ or }p=0\text{ or }x=-\frac{7}{10}\text{ or }x=0\right)\text{ and }é=0\end{matrix}\right,$$