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Mathematics 7 Online
OpenStudy (anonymous):

Factor the polynomial x2 + 2x – 15. Which one of the following is a factor?

OpenStudy (lgbasallote):

if you break down the middle term you get x^2 - 5x + 3x - 15 if i factor i get x(x-5) + 3x(x-5) factor again... \ (x+3)(x-5)

OpenStudy (anonymous):

thank you so much

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