Question

como resolver essa:
(x +5)² = x²+ 12 x +1

Answer 1

(x-5)² = x²+ 12x + 1

x²-10x+ 25 = x²+12x+1

(x²-10x+25)-(x²+12x+1) = 0

-22x+24= 0

22x = 24

x = 24/22

x = 12/11