Question

60) x2-10x+25=0 com fórmula de Baskara pls!

Answer 1

X2-10x+25=0 a =2 b=-10 e c=2
Delta = b² - 4ac
Delta = (-10)² - 4(1)(25)
Delta = 100 - 100
Delta = zero

X = (-b +- raiz delta) / 2a
X = (10 +- 0) / 2
x' = (10 + 0) / 2 = 10/2 = 5
x" = (10 - 0) / 2 = 10/2 = 5