Answer:
15h²+26h-21
Explanation:
Given the product:
[tex]\left(5h-3\right)\left(3h+7\right)[/tex]First, we expand to obtain:
[tex]=5h\left(3h+7\right)-3\left(3h+7\right)[/tex]Then we eliminate the brackets:
[tex]\begin{gathered} =15h^2+35h-9h-21 \\ =15h^2+26h-21 \end{gathered}[/tex]