• 2021 April(D05) Math Question 33

    Quadratic Equations

    - Factoring

    Factoring cubic polynomials
    Choice D
    P(x)=x2(x−10)+9(x−10)P(x)=x^2(x-10)+9(x-10)
    =(x−10)(x2+9)=0=(x-10)(x^2+9)=0
    ∴x=10\therefore x=10

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