Question

Решите уравнение (x+7)^2+(x-6)^2=2x^2

Answer 1

x²+14x+49+x²-12x+36=2x²
x²+14x+49+x²-12x+36-2x²=0
2х+85=0
2х=-85
х=-85/2
х=-42,5

Answer 2

x²+14x+49+x²-12x+36=2x²
x²+14x+49+x²-12x+36-2x²=0
2х+85=0
2х=-85
х=-85/2
х=-42,5