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posted by janelle on Wednesday, January 26, 2011 at 5:41pm.

how do you factor this? x(x-3)+5(x-3)

x(x-3) + 5(x-3) What factors do both expressions have in common? Answer, (x-3) Can you factor now?

so is it 3x^2+15x?

no its (x+5)(x-3)

Correct, (x - 3)(x + 5)

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