Factor completely: 15 + 3y - 5x squared - x squared y?

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I need know how to factor completely.

2006-07-08 23:06:37 · 4 answers · asked by Daniel R 1 in Science & Mathematics ➔ Mathematics

-(x²-3)(y+5)

2006-07-08 23:10:32 · answer #1 · answered by Pascal 7 · 0⤊ 0⤋

15 + 3y - 5x^2 - x^2y
(15 + 3y) + (-5x^2 - x^2y)
3(5 + y) - x^2(5 + y)
(3 - x^2)(5 + y)
(sqrt 3-x)(sqrt3+x)(y+5)

2006-07-09 02:54:20 · answer #2 · answered by plzselectanotherone 2 · 0⤊ 0⤋

15 + 3y - 5x^2 - x^2y
(15 + 3y) + (-5x^2 - x^2y)
3(5 + y) - x^2(5 + y)
(3 - x^2)(5 + y)

2006-07-09 01:57:04 · answer #3 · answered by Sherman81 6 · 0⤊ 0⤋

What does it equal?

2006-07-08 23:48:32 · answer #4 · answered by Spike Spiegel 4 · 0⤊ 0⤋