## Intermediate Algebra for College Students (7th Edition)

$30x^3+35x^2$
Distribute $4x^2$ to each term of the binomial to obtain: $=5x^2(6x)+5x^2(7)$ Multiply the coefficients together then use the rule "$a^m \cdot a^n=a^{m+n}$" to the variables to obtain: $=30x^{2+1} + 35x^2 \\=30x^3+35x^2$