a^2-81
You asked:
Evaluate the expression: \({a}^{2} - 81\)
MathBot Answer:
Evaluated
\(\displaystyle {a}^{2} - 81 = a^{2} - 81 \)
Factored
\[{a}^{2} - 81 = \left(a - 9\right) \left(a + 9\right)\]
a^2-81
You asked:
MathBot Answer:
\(\displaystyle {a}^{2} - 81 = a^{2} - 81 \)
\[{a}^{2} - 81 = \left(a - 9\right) \left(a + 9\right)\]