Work Step by Step
We start with the given expression: $7x(x+4)$ We apply the distributive property: $7x\times x+4\times7x$ We multiply the coefficients and add the exponents: $7x^2+28x$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.