SOLUTION: X^2-X=56 using quadratic fomula
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Question 680827: X^2-X=56 using quadratic fomula
Found 3 solutions by ReadingBoosters, MathTherapy, JBarnum:
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
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Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
X^2-X=56 using quadratic fomula
Using the quadratic formula, you should get: , or
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
This is actually a mental problem you can solve in seconds while remembering
find 2 numbers that add to (b) and multiply to get (c)
-8 and 7
Now take the opposite of those numbers to find what x is equal too
X= 8,-7
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