Question

how to take common factors ?

-y² + 25y - 144

$({2}^{n + 5 } - {2}^{n + 2 } ) \div ({2}^{n + 6} - {2}^{n + 3} )$
if don't know then no need to answer.....plzz solve these two questions with explanation...
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Answer 1

refer to the attachment above

sorry the picture isn't clear much

hope it's helpful :)

Answer 2

1. -y²+25y-144

-y²-16y+9y-144

y(y-16)+9(y-16)

(y-16) (y+9)

hope it helps you ✌️✌️

sorry don't know second one