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Mathematics 6 Online
OpenStudy (anonymous):

17x^2+4-[5(x^2-9)+5]

OpenStudy (anonymous):

is the answer 12x^2-36?

OpenStudy (helder_edwin):

no it's not \[ \large 17x^2+4-[5(x^2-9)+5]=17x^2+4-5x^2+45-5 \]

OpenStudy (anonymous):

12x^2+44?

OpenStudy (helder_edwin):

yes

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