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how to factor y^2+2xy-15x^2?

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  • how to factor y^2+2xy-15x^2?


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Answer #1 | 08/02 2014 10:15
( y + 5x ) ( y - 3x )
Answer #2 | 08/02 2014 10:16
( y + 5x ) ( y - 3x )
Answer #3 | 08/02 2014 10:17
y^2 + 2xy - 15x^2 => y^2 + (5xy - 3xy) - 15x^2 => y*(y + 5x) - 3x*(y+5x) => (y-3x)(y+5x) :)

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