Question

1) Calcule:

a) (x² +`3x -4 ) ( x -2)

Answer 1

Boa tarde

a) $(x^2+3x-4)(x-2)=x^3+3x^2-4x-2x^2-6x+8$

$=\boxed{x^3+x^2-10x+8}$

Answer 2

Olá, boa tarde ☺

Resolução:

(x² +`3x -4 ) ( x -2)
x².x - 2.x² + 3.x.x - 2.3.x-4.x+4.2
x³-2x²+3x²-6x-4x+8
x³+x²-10x+8 <----

Bons estudos :)