Question

решите уравнение (x-6)^2+(x+8)^2=2x^2

Answer 1

x^2 - 12x + 36 + x^2 + 16x + 64 = 2x^2
 2x^2 + 4x + 100 = 2x^2
4x = -100 x = -25

Answer 2

(х-6)^2+(x+8)^2=2x^2
x^2-12x+36+x^2+16x+64=2x^2
x^2+x^2-2x^2-12x+16x+64+36=0
4x+100=0
4x=0-100
4x=-100
x=-100:4
х=-25