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algebra2

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

  • algebra2 -

    x(x-3) + 5(x-3)
    What factors do both expressions have in common?

    Answer, (x-3)

    Can you factor now?

  • algebra2 -

    so is it 3x^2+15x?

  • algebra2 -

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

  • algebra2 -

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

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