## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$5x^2-15x+35$
Using $a(b+c)=ab+ac$ or the Distributive Property, the given expression, $-5(-x^2+3x-7) ,$ simplifies to \begin{array}{l} -5(-x^2)-5(3x)-5(-7) \\\\= 5x^2-15x+35 \end{array}