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Solomon Powell
Mathematics
17 July, 01:41
How do you factor the expression - y^2 9y - 20?
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Shaylee Mack
17 July, 02:05
0
Undistribute - 1
(-1) (y^2-9y+20)
what multiplies to 20 and adds to - 9
-5 and - 4
(-1) (x-5) (x-4) or
(5-x) (x-4) or
(x-5) (4+x)
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