## What are the roots of the polynomial equation? x^2−12x−64=0

Question

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## Answers ( No )

It is a quadratic equation so we can use the quadratic formula to solve it.

x^2−12x−64=0

a = 1

b = -12

c = -64

x = [-b +-sq root (b^2 -4ac)] / 2a

x = [–12 +- sq root (144 -4*1*-64)] / 2

x = [12 +- 20] / 2

x1 = 16

x2 = -4