How do you solve x+2x=3? Algebra Polynomials and Factoring Zero Product Principle 1 Answer Milena Feb 8, 2017 x=1 or x=2 Explanation: x+2x=3 2x=3−x 2=x(3−x) 2=3x−x2 x2−3x+2=0 (x−1)(x−2)=0 x−1=0 or x−2=0 x=1 or x=2 Answer link Related questions What is the Zero Product Principle? How to use the zero product principle to find the value of x? How do you solve the polynomial 10x3−5x2=0? Can you apply the zero product property in the problem (x+6)+(3x−1)=0? How do you solve the polynomial 24x2−4x=0? How do you use the zero product property to solve (x−5)(2x+7)(3x−4)=0? How do you factor and solve b2−53b=0? Why does the zero product property work? How do you solve (x−12)(5x−13)=0? How do you solve (2u+7)(3u−1)=0? See all questions in Zero Product Principle Impact of this question 1782 views around the world You can reuse this answer Creative Commons License