Answer
$0.5(5r^{2}+3.2r-6)-(1.7r^{2}-2r-1.5)=0.8r^{2}+3.6r-1.5$
Work Step by Step
$0.5(5r^{2}+3.2r-6)-(1.7r^{2}-2r-1.5)$
Multiply $0.5$ by each term inside its respective parentheses and simplify by combining like terms:
$(2.5r^{2}+1.6r-3)-(1.7r^{2}-2r-1.5)=0.8r^{2}+3.6r-1.5$
