Question

simplify 3a(a+3)-5a, and then find the value of the algebraic expression at a=2​

Answer 1

Answer:

Mark me as a Brainliest pls

Step-by-step explanation:

$3a(a+3)-5a \\ = > if \: a \: = 2 \: then \\ = > 3(2)(2 + 3) - 5(2) \\ = > 6(5) - 10 \\ = > 30 - 10 \\ = >\color{red}{ \boxed{ \textcolor{indigo}{ 20}}}$