Question

Quadrado da soma

(x+2)2
(3x+1)2
(b+4)2
(c+5)2

Answer 1

Resposta:

A) (x+2)²=(x+2).(x+2).  

 x.x+2x+x.x+2x+4

2.x.x +4x+4

B)(3x+1)² = (3x+1) . (3x+1)

9x+3x+3x+1

15+1

C) (b+4)² = (b+4).(b+4)

b²(b.b)+4b+4b+16

b²(b.b)+8b+16

D) (c+5)²= (c+5).(c+5)

c²(c.c)+5c+5c+10

c²(c.c)+10c+10

Explicação passo-a-passo:

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