SOLUTION: Factor the trinomial. -8 a 2 - ab + 9 b 2

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Question 110917: Factor the trinomial.

-8 a 2 - ab + 9 b 2

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor the trinomial.
-8 a 2 - ab + 9 b 2
= -8a^2 +8ab-9ab+9b^2
= -8a(a-b) -9b(a-b)
= -(a-b)(8a+9b)
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Cheers,
Stan H.