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What number must you add to complete the square? x2 + 10x = 37

What number must you add to complete the square? x2 + 10x = 37
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4 votes
What number must you add to complete the square? x2 + 10x = 37

User Jason Jin
by
7.8k points

1 Answer

3 votes
take 1/2 of x coeficient and square it
10/2=5
5^2=25
you has to add 25 to both sides to complete the square
(x+5)^2=25+37
User Findango
by
8.6k points
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