Question

решите уравнение (x + 3)^2+(x-7)^2=2x^2

Answer 1

$(x+3)^2+(x-7)^2=2x^2\x^2+6x+9+x^2-14x+49=2x^2\2x^2-8x+58-2x^2=0\58-8x=0\8x=58\x=58:8=7frac14$

Answer 2

круто