## Algebra 1: Common Core (15th Edition)

We follow the instructions to plug in 5 for p and -3 for q: $((-3)(5))^{2}$ Note, -3 times 5 is in parenthesis, so we multiply first: $((-3)(5))^{2}$=$(-15)^{2}$=225 (Note, 225 is positive because a -15$\times$-15=225).