SOLUTION: Factor 15 + 3y – 5x2 – x2y

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Question 167808: Factor 15 + 3y – 5x2 – x2y
Answer by nerdybill(7384) About Me  (Show Source):
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15 + 3y – 5x^2 – x^2y
Group terms:
(15 + 3y) – (5x^2 + x^2y)
Factor each group:
3(5 + y) – x^2(5 + y)
Factor out the (5 + y):
(5+y)(3-x^2)