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How do you factor completely #9a^2 -24ab + 16b^2#?

1 Answer

Aug 30, 2016

#(3a-4b)^2#.

Explanation:

Recall the Expansion Formula # : A^2-2AB+B^2=(A-B)^2#.

Given Expression#=9a^2-24ab+16b^2#

#=(3a)^2-2(3a)(4b)+(4b)^2#

#=(3a-4b)^2#.

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