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Algebra

posted by on .

Multiply:
(3x-4)²
It would be (3x-4)(3x-4).

Would the answer be 9x²+16?

  • Algebra - ,

    No, you are missing the middle term

    You need 3x(-4) + 3x(-4) = -24x

    (3x+4)(3x-4) = 9x^2 -16 This is the case where there wouldn't be a middle term.

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