Question

Give a good explanation pleasez2 + 9y - 3x

Answer 1

$\begin{gathered} Z^2\text{ + 9y - 3x} \\ Z^2\text{ + }3(3y\text{ - x)} \\ \text{This all we can do to to the question, it doesn't have a common factor.} \\ \text{what i did was that i factorize the 9y - 3x.} \end{gathered}$