Question

QUADRADO DA SOMA DE DOIS TERMOS
1)CALCULE

a)(3+x)^2
b)(x+5)^2
c)(3x+2)^2
d)(5+3x)^2
e)(2x+y)^2

Answer 1

1) a) (3 + x)² = 9 + 6x + x²

b) (x + 5)² = x² + 10x + 25

c) (3x + 2)² = 9x² + 12x + 4

d) (5 + 3x)² = 25 + 30x + 9x²

e) (2x + y)² = 4x² + 4xy + y²