Question

what is the root of the equation x^2-x-12?
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Answer 1

Answer:

the roots are -3 and 4

Step-by-step explanation:

x^2-x-12

by middle term splitting

x^2-4x+3x-12

x(x-4)+3(x-4)

(x+3)(x-4) ,

x+3=0

x= -3

x-4= 0

x= 4