Solve the quadratic equation by using either a numeric or a graphic approach. x2 – 12x – 144 = 0 a. x=

Solve the quadratic equation by using either a numeric or a graphic approach.

x2 – 12x – 144 = 0
a. x= -12.4 or x = -7.4
c. x = 9.4 or x = -7.5
b. x = 19.4 or x = -7.4
d. x = 9.4 or x = -3.4

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