SOLUTION: Factor by grouping. How do I solve this?
15a-3ay-4y+20
Algebra.Com
Question 320778: Factor by grouping. How do I solve this?
15a-3ay-4y+20
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
15a-3ay-4y+20
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Factor and 1st two and the last two terms separately to get:
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3a(5-y) -4(y-5)
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Factor the 1st term:
-3a(y-5) -4(y-5)
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Factor again:
-(y-5)(3a+4)
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Cheers,
Stan H.
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