How do you simplify x3+(5x2−6x−1)x+7x2? Algebra Polynomials and Factoring Multiplication of Monomials by Polynomials 1 Answer sankarankalyanam Jun 18, 2018 ⇒6x3+x2−x Explanation: #x^3 + (5x^2 - 6x - 1)x + 7x^2 ⇒x3+5x3−6x2−x+7x2,removing bracket ⇒x3+5x3+7x2−6x2−x, bringing like terms together ⇒6x3+x2−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 (3xy5)(−6x4y2)? How do you multiply and simplify 6ab(−10a2b3+c5)? How do you simplify −3a2b(9a2−4b2)? How do you multiply y(xy4)? How do you multiply (2x−1)(x3−2x2+3x−4)? How do you multiply (5n2)(2n5−2n33n7)? How do you simplify 2t2+(3+5)(4t)? See all questions in Multiplication of Monomials by Polynomials Impact of this question 1578 views around the world You can reuse this answer Creative Commons License