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Please explain how to finish these 3 problems, if you answer them you'll get brainlyist.

Please explain how to finish these 3 problems, if you answer them you ll get brainlyist. class=

Verified Answer :

  1. (x-√3)(x+1) = x² + (1-√3)x - √3

    13. (x+2)(x²+4) = x³ + 2x² + 4x + 8

    14. (3x³ + 6x² - 5x + 12) ÷ (x-3)

    = [(x - 3)(3x² + 15x + 40) + 132 ] ÷ (x-3)

    Quotient = 3x² + 15x + 40
    Remainder  = 132

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