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Mathematics, 14.07.2019 01:30 wiintrr30

 \frac{(a-3) * (\frac{a}{3} +1)}{\frac{1}{3}}  \frac{a( \frac{a}{3} ) + a - 3(\frac{a}{3}) - 3 }{\frac{a}{3}}  \frac{\frac{3a+a}{3} + a - 3 * \frac{a}{3} - 3}{\frac{1}{3}}  \frac{\frac{4a}{3} + a - a - 3}{\frac{1}{3}}  \frac{4a}{3} / \frac{1}{3} - 3 / \frac{1}{3}  \frac{4a}{3} * 3 - 3 * 3  4a - 9 yet the answer i should get is  a^{2}-9 . what step am i doing wrong on this algebra problem?

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[tex] \frac{(a-3) * (\frac{a}{3} +1)}{\frac{1}{3}} [/tex] [tex] \frac{a( \frac{a}{3} ) + a - 3(\frac...

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