Question

-3(х+4)(х+1) выполните умножение

Answer 1

Решение:

$- 3(x + 4)(x + 1) = ( - 3x - 12)(x + 1) = - 3 {x}^{2} - 3x - 12x - 12 =- 3{x}^{2}-15x-12$

Answer 2

-3(x+4)(x+1)=-3x^2-3x-12x-12=-3x^2-15x-12