Question

Решите уравнение (x+16)^2+(x-20)^2=2x^2

Answer 1

x^2+8x+x^2+20x-20x-400-2x^2=0
8x-396=0
8x=396
x=49,5

Answer 2

x^2+8x+x^2+20x-20x-400-2x^2=0
8x-396=0
8x=396
x=49,5