How do you simplify # x^3+(5x^2-6x-1)x+7x^2#? Algebra Polynomials and Factoring Multiplication of Monomials by Polynomials 1 Answer sankarankalyanam Jun 18, 2018 #color(purple)(=> 6x^3 + x^2 - x# Explanation: #x^3 + (5x^2 - 6x - 1)x + 7x^2 #=> x^3 + 5x^3 - 6x^2 - x + 7x^2, "removing bracket"# #=> x^3 + 5x^3 + 7x^2 - 6x^2 - x, " bringing like terms together"# #color(purple)(=> 6x^3 + x^2 - x# Answer link Related questions What is Multiplication of Monomials by Polynomials? How do you multiply monomials by polynomials? How do you multiply monomials by monomials? How do you multiply #(3xy^5)(-6x^4y^2)#? How do you multiply and simplify #6ab(-10a^2 b^3+c^5)#? How do you simplify #-3a^2b(9a^2-4b^2)#? How do you multiply #y(xy^4)#? How do you multiply #(2x-1)(x^3-2x^2+3x-4)#? How do you multiply #(5n^2)(2n^5 - 2n^3 3n^7)#? How do you simplify #2t^2+(3+5)(4t)#? See all questions in Multiplication of Monomials by Polynomials Impact of this question 1376 views around the world You can reuse this answer Creative Commons License