Question

X * y = 3xy - 2 How do I find 3*5 =?

Answer 1

Given:

$x*y=3xy-2$

Required:

Find 3*5

Explanation:

Given that

$x*y=3xy-2$$\begin{gathered} 3*5=3(3)(5)-2 \\ 3*5=45-2 \\ 3*5=43 \end{gathered}$

Final Answer:

$3*5=43$