Question

f(x)=x^2 -3x-8 solve using the quadratic formula

Answer 1

Solve for x over the real numbers:
x^2 - 3 x - 8 = 0
x = (3 ± sqrt((-3)^2 - 4 (-8)))/2 = (3 ± sqrt(9 + 32))/2 = (3 ± sqrt(41))/2:
Answer:  x = (3 + sqrt(41))/2 or x = (3 - sqrt(41))/2 = using quadratic formula