Issolvi 7(2x+3)(6x+2)-6x(2x+13)+8(7x+2)

$$7 ( 2 x + 3 ) ( 6 x + 2 ) - 6 x ( 2 x + 13 ) + 8 ( 7 x + 2 )$$

Evalwa

$$72x^{2}+132x+58$$

Passi tas-Soluzzjonijiet

Uża l-propjetà distributtiva biex timmultiplika 7 b'2x+3.

$$\left(14x+21\right)\left(6x+2\right)-6x\left(2x+13\right)+8\left(7x+2\right)$$

Applika l-propjetà distributtiva billi timmultiplika kull terminu ta' 14x+21 b'kull terminu ta' 6x+2.

$$84x^{2}+28x+126x+42-6x\left(2x+13\right)+8\left(7x+2\right)$$

Ikkombina 28x u 126x biex tikseb 154x.

$$84x^{2}+154x+42-6x\left(2x+13\right)+8\left(7x+2\right)$$

Uża l-propjetà distributtiva biex timmultiplika 8 b'7x+2.

$$84x^{2}+154x+42-6x\left(2x+13\right)+56x+16$$

Uża l-propjetà distributtiva biex timmultiplika -6x b'2x+13.

$$84x^{2}+154x+42-12x^{2}-78x+56x+16$$

Ikkombina 84x^{2} u -12x^{2} biex tikseb 72x^{2}.

$$72x^{2}+154x+42-78x+56x+16$$

Ikkombina 154x u -78x biex tikseb 76x.

$$72x^{2}+76x+42+56x+16$$

Ikkombina 76x u 56x biex tikseb 132x.

$$72x^{2}+132x+42+16$$

Żid 42 u 16 biex tikseb 58.

$$72x^{2}+132x+58$$

Espandi

$$72x^{2}+132x+58$$

Passi tas-Soluzzjonijiet

Uża l-propjetà distributtiva biex timmultiplika 7 b'2x+3.

$$\left(14x+21\right)\left(6x+2\right)-6x\left(2x+13\right)+8\left(7x+2\right)$$

Applika l-propjetà distributtiva billi timmultiplika kull terminu ta' 14x+21 b'kull terminu ta' 6x+2.

$$84x^{2}+28x+126x+42-6x\left(2x+13\right)+8\left(7x+2\right)$$

Ikkombina 28x u 126x biex tikseb 154x.

$$84x^{2}+154x+42-6x\left(2x+13\right)+8\left(7x+2\right)$$

Uża l-propjetà distributtiva biex timmultiplika 8 b'7x+2.

$$84x^{2}+154x+42-6x\left(2x+13\right)+56x+16$$

Uża l-propjetà distributtiva biex timmultiplika -6x b'2x+13.

$$84x^{2}+154x+42-12x^{2}-78x+56x+16$$

Ikkombina 84x^{2} u -12x^{2} biex tikseb 72x^{2}.

$$72x^{2}+154x+42-78x+56x+16$$

Ikkombina 154x u -78x biex tikseb 76x.

$$72x^{2}+76x+42+56x+16$$

Ikkombina 76x u 56x biex tikseb 132x.

$$72x^{2}+132x+42+16$$

Żid 42 u 16 biex tikseb 58.

$$72x^{2}+132x+58$$