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Mathematics 21 Online
OpenStudy (anonymous):

Add a number to the expression so that the results contains a perfect square as a factor. 2x^2+3x??

Parth (parthkohli):

Complete the square...

Parth (parthkohli):

What you got to do is add and subtract \(\rm \left({b \over 2}\right)^2 \).

OpenStudy (anonymous):

Could you show me in an example please i

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