Question

Sendo A = 4x2 + 16x + 16, B = 2x + 14 e C = 16x, calcule:

a) A – B =

b) A + B – C =

c) C – B =

calculos

Answer 1

Resposta:

Explicação passo-a-passo:

A = 4x² +16x +16

B = 2x +14

C = 16x

a) A – B =  4x² +16x +16 -(2x +14)

4x² +16x +16 -2x -14

4x² +14x +2

b) A + B – C =  4x² +16x +16 +2x +14 -16x

4x² +2x +30

c) C – B =  16x -(2x +14)

16x -2x -14

14x -14