Question

Las raíces o soluciones de la ecuación x^2-6x=-8

Answer 1

x2 - 6x + 8 = 0
a. 1 b. -6 c. 8
x = -b +/- √b2 - 4ac /2a
x = 6 +/- √36 - 4 • 1 • 8 /2 • 1
x = 6 +/- √36 - 32 /2
x = 6 +/- √4 /2
x = 6 +/- 2 /2
x1 = 6 + 2 /2 = 8/2 = 4
x2 = 6 - 2 /2 = 4/2 = 2