Решите уравнение (х+8)^2=(х+3)^2
(x + 8 - (x + 3)) * (x + 8 + x + 3)= 0 (x + 8 - x - 3) *(2x + 11) = 0 5*(2x+ 11) = 0 2x + 11 = 0 2x = - 11 x = - 5,5
X²+16x+64=x²+6x+9 16x-6x=9-64 10x=-55 x=-55/10=-5,5