Question

найдите корни уравнения (х+8)^2=(х+3)^2

Answer 1

(х+8)^2=(х+3)^2

x^2+16x+64=x^2+6x+9

x^2+16x-x^2-6x=9-64

10x=-55

x=-5.5

(-5.5+8)^2=(-5.5+3)^2

2.5^2=(-2.5)^2

6.25=6.25