Question

Dados:
A= x² + 3x -2
B= x +2
C= x -3

Calcule:

a) A • B, A • C e A • B + A • C
b) B + C e A • ( B + C )

Answer 1

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