Question

помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

(x-4)²+(x+9)²=2x²
x²-8x+16+x²+18x+81-2x²=0
10x+97=0
10x=-97
x=-97:10
x=-9.7

Answer 2

пожалуйста

Answer 3

(х-4)² + (х+9)² = 2х²
х²-8х+16+х²+18х+81=2х²
10х=-97
х=-9,7