Question

Вынесите за скобки 7x³y³-21x³y³ плиз​

Answer 1

$7 {x}^{3} {y}^{3} - 21 {x}^{3} {y}^{3} = 7 {x}^{3} {y}^{3} (1 - 3) = 7 {x}^{3} {y}^{3} \times ( - 2) = - 14 {x}^{3} {y}^{3}$

Answer 2

7х^3у^3-21х^3у^3 = 7х^3у^3 (1 - 3) = - 14х^3у^3