Question 927216
<pre>  
4m<sup>2</sup>+20m-96

4(m<sup>2</sup>+5m-24)

4(m+8)(m-3)

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16y<sup>2</sup>+68y+42

2(8y<sup>2</sup>+34y+21)

2(4y+3)(2y+7)

Edwin</pre>