9x^2 - y^2
You asked:
Evaluate the expression: \(9 \cdot {x}^{2} - {y}^{2}\)
MathBot Answer:
Evaluated
\(\displaystyle 9 \cdot {x}^{2} - {y}^{2} = 9 x^{2} - y^{2} \)
Factored
\[9 \cdot {x}^{2} - {y}^{2} = \left(3 x - y\right) \left(3 x + y\right)\]