(х+3)^2=(х-8)^2 прошу!!!!!!!!!!!!!

Question

(х+3)^2=(х-8)^2
прошу!!!!!!!!!!!!!

Answer 1

( х + 3 )^2 = ( х - 8 )^2
х^2 + 6х + 9 = х^2 - 16х + 64
6х - 16х = 64 - 9
- 10х = 55
х = - 5,5

Answer 2

X^2+6x+9=x^2-16x+64
x^2+6x+9-x^2+16x-64=0
22x-55=0
22x=55
x=55/22
x=2,5
Ответ:2,5