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Mathematics 9 Online
OpenStudy (sophadof):

Which number completes the square to form a perfect square trinomial? X^2+12x+__ a.6 b.24 c.36 d.144

OpenStudy (anonymous):

takes two steps only step 1, what is half of 12?

OpenStudy (anonymous):

...

OpenStudy (sophadof):

6!! ahha sorry..it didn't give me a nonification

OpenStudy (anonymous):

step 2, what is \(6^2\)?

OpenStudy (sophadof):

36!!

OpenStudy (anonymous):

as usual, it is C

OpenStudy (sophadof):

Haha thank you!

OpenStudy (anonymous):

yw

OpenStudy (anonymous):

it is now a complete square because \[x^2+12x+36=(x+6)^2\]

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