Question

trinomio al cuadrado perfecto (x+3)²=64
x+3
x+3
——–

Answer 1

(x+3)^2=64
x+3=8
x=8-3
x=5
x+3=-8
x= -11

Answer 2

Oi Baudel

(x + 3)² = 64

x1 + 3 = 8
x1 = 8 - 3 = 5

x2 + 3 = -8
x2 = -8 - 3 = -11