$(2 + 3x) * (4 + 5x) = 2(4 + 5x) + 3x(4 + 5x)$
I don't get it. What do I do?
$(2 + 3x) * (4 + 5x) = 2(4 + 5x) + 3x(4 + 5x)$
I don't get it. What do I do?
The equation you have uses the law of distribution: $a(b+c)= ab + ac$ If you set $a=4+5x$, $b=2$ and $c=3x$, you get the equation in your question.