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Factor 4a^2-14a-9y^2+21y

$4 a^{2} - 14 a - 9 y^{2} + 21 y$

Step 1

$4 a^{2} - 14 a - 9 y^{2} + 21 y$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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