How do you simplify (3x+5)(x-3) ? Algebra Polynomials and Factoring Multiplication of Polynomials by Binomials 1 Answer Aclixion Mar 6, 2018 3x^2-4x-15 Explanation: To multiply these polynomials, take 3x and multiply it by x and -3 and do the same to 5. After you multiplied the polynomials, combine the like terms. (3x+5)(x-3) 3x^2-9x+5x-15 3x^2-4x-15 Answer link Related questions What is FOIL? How do you use the distributive property when you multiply polynomials? How do you multiply (x-2)(x+3)? How do you simplify (-4xy)(2x^4 yz^3 -y^4 z^9)? How do you multiply (3m+1)(m-4)(m+5)? How do you find the volume of a prism if the width is x, height is 2x-1 and the length if 3x+4? How do you multiply (a^2+2)(3a^2-4)? How do you simplify (x – 8)(x + 5)? How do you simplify (p-1)^2? How do you simplify (3x+2y)^2? See all questions in Multiplication of Polynomials by Binomials Impact of this question 3194 views around the world You can reuse this answer Creative Commons License