Question

efetue as equações
a) 5x+5=6x+2
b)6x=2x+16
c)2x-8=2
d)x/2=25
​

Answer 1

Resposta:

(x + 5)² = (x)² + 2*x*5 + (5)² = x² + 10x + 25 ( 2x + 4)² = (2x)² + 2*2x*4 + (4)² = 4x² + 16x + 16.