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Mathematics 14 Online
OpenStudy (anonymous):

What number completes the square? x2 + 10x + ? 10 100 20 25

OpenStudy (mertsj):

Divide the coefficient of x by 2. Square that number. That will complete the square.

OpenStudy (anonymous):

is the coe. 10?

OpenStudy (mertsj):

yes

OpenStudy (primeralph):

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