Question

amores me ajudem ai pfv

Answer 1

x (1-x) = 1/4

x - x^2 = 1/4

4 (x - x^2) = 1

4x - 4x^2 = 1

-4x^2 + 4x - 1 = 0

▲ = 16 - 16 = 0

x = -4/-8

x' = x" = 1/2