## Algebra 1

$(pq)^2\longrightarrow$ substitute the given values for p and q =$(5\times-3)^2\longrightarrow$ multiply in parentheses =$(-15)^2\longrightarrow$ simplify the exponent =$-15\times-15\longrightarrow$ multiply =$225\longrightarrow$ since there are an even number of negative factors, the product is positive.