Question

Rezolvați in R ecuația (x-2)la puterea a 2 -x la a2a +8=0

Answer 1

(x-2)^2-x^2+8=0
x^2-4x+5-x^2+8=0
-4x+12=0
-4x=-12
x=(-12)/(-4)
x=3

Answer 2

(x - 2)² - x² + 8 = 0, x² - 4x + 4 - x² + 8 = 0, - 4x + 12 = 0, - 4x = -12,
x = (-12) : (-4), x = 3.