Question

Efetue os quadrados dos binômios:
a) (x+2)²
b) (2x+2)²
c) (a+1)²
d) (3+b)²
e) (y+4)²

Answer 1

a) (x+2)² = x² + 4x + 4

b) (2x+2)² = 4x² + 8x + 4

c) (a+1)² = a² + 2a + 1

d) (3+b)² = b² + 6b + 9

e) (y+4)² = y² + 8y + 16

Answer 2

a) x² + 4x + 4
b) 4x² + 8x + 4
c) a² + 2a + 1
d) 9 + 6b + b²
e) y² + 8y + 16