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

$6y^4-8y^3+14y^2$
Using $a(b+c)=ab+ac$ or the Distributive Property, the given expression, $2y^2(3y^2-4y+7) ,$ is equivalent to \begin{array}{l}\require{cancel} 2y^2(3y^2)+2y^2(-4y)+2y^2(7) \\\\= 6y^4-8y^3+14y^2 .\end{array}