Explore BrainMass

Explore BrainMass

    FOIL Method

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    How do you simplify these 3 problems?

    (3x-4)(x+5)

    (x+2)(x²+x+5)

    (x+1)(x³+4x²+7x+3)

    What is foil? and how do you use foil to solve these?

    (7-2y)(10-3y)

    (5z-2)(5z+2)

    (x-6)²

    (2-3x6)².

    © BrainMass Inc. brainmass.com March 4, 2021, 8:17 pm ad1c9bdddf
    https://brainmass.com/math/algebra/expanding-expression-foil-method-157502

    Solution Preview

    Solution:

    (3x-4)(x+5)=3x^2+15x-4x-20=3x^2+11x-20
    (x+2)(x²+x+5) =x^3+x^2+5x+2x^2+2x+10=x^3+3x^2+7x+10
    (x+1)(x³+4x²+7x+3)=x^4+4x^3+7x^2+3x+x³+4x²+7x+3=x^4+5x^3+11x^2+10x+3

    What is foil? and how do you use foil to solve ...

    Solution Summary

    Expressions are expanded using FOIL method is provided in the solution.

    $2.49

    ADVERTISEMENT