Answer
$(3t-2y)(3t+5y)=9t^{2}-9ty-10y^{2}$
Work Step by Step
$(3t-2y)(3t+5y)$
Evaluate the binomial product using the FOIL (First, Outer, Inner, Last) method and simplify by combining like terms:
$(3t-2y)(3t+5y)=9t^{2}+15ty-6ty-10y^{2}=...$
$...=9t^{2}+9ty-10y^{2}$
