Question

A) (X + 5) . (X + 2)
B) 2x - (4x + 3)
C) (3x - 1) . X
D) 5x - (-X + 2)

Answer 1

Explicação passo-a-passo:

A) (X + 5) . (X + 2)

= x²+2x+5x+10

= x²+7x+10

B) 2x - (4x + 3)

= 2x-4x-3

= -2x-3

C) (3x - 1) . X

= x.(3x-1)

= 3x² - x

D) 5x - (-X + 2)

= 5x+x -2

= 6x - 2

Answer 2

Resposta:

a) x×x+2x+5x+5×2

x²+2x+5x+10

x²+7x+10

b) 2x-4x-3

-2x-3

c) 3x×x-x

3x²-x

d) 5x+x-2

6x-2