SOLUTION: What number should be added to the expression x2 + 10x to change it into a perfect square trinomial?

SOLUTION: What number should be added to the expression x2 + 10x to change it into a perfect square trinomial?

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Question 956343: What number should be added to the expression x2 + 10x to change it into a perfect square trinomial?

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What number should be added to the expression x2 + 10x to change it into a perfect square trinomial?
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a = 1, b = 10
Add (b/2a)^2
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Use ^ (Shift 6) for exponents - x^2, not x2.

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