• 2009 June(67C) Math Question 9

    Quadratic Equations

    - FOIL

    Choice A
    $$=(3x)(3x+4y^{2})-(4y^{2})(3x+4y^{2})$$ $$=(9x^{2})+(12xy^{2})-(12xy^{2})-(16y^{4})$$ $$=9x^{2}-(16y^{4})$$

    Skills you are tested for:

    Was this explanation helpful?

    • Comments

    To leave a comment,