Question

Resolva:
a) (y-2)²
b) (m+4)²
c) x(x+1)(x+1)
d) (2x+3)(2x+3)

Answer 1

a) (y-2)² 
y² - 4y + 4

b) (m+4)² 
m² + 8m + 16

c) x(x+1)(x+1) 
x.(x+1)²
x(x² + 2x +1)
x³ + 2x² + x

d) (2x+3)(2x+3)
(2x + 3)²
4x² + 12x + 9