SOLUTION: factor by grouping 4z^2+8z-az-2a factor the trinomial 2s^2-9s+9 factor r^2-64

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Question 604838: factor by grouping
4z^2+8z-az-2a
factor the trinomial
2s^2-9s+9
factor
r^2-64

Answer by alicealc(293)   (Show Source): You can put this solution on YOUR website!

=
=


=(2s - 3)(s - 3)


=(r - 8)(r + 8)

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