Question

(X-1)^2 + (x+2)^2=(x-3)^2 qual a resposta???

Answer 1

Boa tarde

(x - 1)² + (x + 2)² = (x - 3)²

x² - 2x + 1 + x² + 4x + 4 = x² - 6x + 9
x² + 8x - 4 = 0 

delta
d² = 64 + 16 = 80 = 16*5
d = 4√5

x1 = (-8 + 4√5)/2 = -4 + 2√5
x2 = (-8 - 4√5)/2 = -4 - 2√5