$81x^{7}$ + $63x^{9}$
You asked:
Evaluate the expression: \(81 {x}^{7} + 63 {x}^{9}\)
MathBot Answer:
Evaluated
\(\displaystyle 81 {x}^{7} + 63 {x}^{9} = 63 x^{9} + 81 x^{7} \)
Factored
\[81 {x}^{7} + 63 {x}^{9} = 9 x^{7} \cdot \left(7 x^{2} + 9\right)\]