How do you simplify (x+1)(x+2)? Algebra Polynomials and Factoring Multiplication of Polynomials by Binomials 1 Answer Gazza Mar 17, 2018 (x + 1)(x+2) Distribute =(x)(x)+(x)(2)+(1)(x)+(1)(2) =x^2 + 2x + x +2 =x^2 + 3x + 2 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 1399 views around the world You can reuse this answer Creative Commons License