Final Answer
Step-by-step Solution
Specify the solving method
Combining like terms $-9x^3$ and $-12x^3$
Learn how to solve special products problems step by step online.
$\left(6x^4-21x^3\right)x$
Learn how to solve special products problems step by step online. Expand the expression (6x^4-9x^3-12x^3)x. Combining like terms -9x^3 and -12x^3. Multiply the single term x by each term of the polynomial \left(6x^4-21x^3\right). When multiplying exponents with same base you can add the exponents: 6x^4x. When multiplying exponents with same base you can add the exponents: -21x^3x.