Learn how to solve simplify trigonometric expressions problems step by step online. Expand the expression (x^2-5)(x^3+2x+-9). Multiply the single term x^3+2x-9 by each term of the polynomial \left(x^2-5\right). Multiply the single term x^2 by each term of the polynomial \left(x^3+2x-9\right). When multiplying exponents with same base we can add the exponents. When multiplying exponents with same base you can add the exponents: 2x\cdot x^2.

Expand the expression (x^2-5)(x^3+2x+-9)