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Mathematics 13 Online
OpenStudy (anonymous):

factoring: 126=1/2(2x+9)(x)

OpenStudy (saifoo.khan):

\[126 =\frac12 ( 2x+9)(x)\]

OpenStudy (saifoo.khan):

Like that?

OpenStudy (anonymous):

factor

OpenStudy (saifoo.khan):

\[252 = 2x^2 + 9x\] \[2x^2 + 9x - 252\]

OpenStudy (saifoo.khan):

but it cannot be factored!

OpenStudy (anonymous):

thats what i figured

OpenStudy (anonymous):

but its to finding the area of a triangle

OpenStudy (saifoo.khan):

what's the complete question?

OpenStudy (anonymous):

the area is 126, the base is 2x+9, height is x

OpenStudy (anonymous):

oh am i suppose to half 126?

OpenStudy (saifoo.khan):

solve it for x... u will get 2 values..

OpenStudy (saifoo.khan):

No, not half 126.

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