SOLUTION: X2-X-12=0

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Question 33557This question is from textbook ultimate exam practice
: X2-X-12=0This question is from textbook ultimate exam practice

Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
Solve(?):
x%5E2-x-12+=+0 Solve by factoring.
%28x-4%29%28x%2B3%29+=+0 Apply the zero products principle.
x-4+=+0 and/or x%2B3+=+0
If x-4+=+0 then x = 4
If x%2B3+=+0 then x+=+-3
The roots are:
x = 4
x = -3