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What number should be added by both sides of the equation to complete the the square? x^2-10x=7
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5 votes
What number should be added by both sides of the equation to complete the the square?

x^2-10x=7

User Muhammed
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1 Answer

5 votes
You add 25 to both sides.
You take half the x term, which is 10/2=5, and square it, so 25.
User Billy Cravens
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