How do you factor completely $77r^7s^7-84r^8s^4$ ?

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Answer 1 · 2016-06-13T15:01:12

$7r^7s^4(11s^3 -12r)$

Look at the two terms and see what factors they have in common.

Divide out the highest factors possible and write down what is left from each term in the bracket.

$7r^7s^4(11s^3 -12r)$

How do you factor completely 77r^7s^7-84r^8s^477r^7s^7-84r^8s^4?