Factorize the following:- a raised to 2 - 81
You asked:
Factor the expression: \(\displaystyle -{a}^{2} - 81\)
MathBot Answer:
Factorization over the real numbers:
\[- 81 \cdot \left(0.0123456790123457 a^{2} + 1\right)\]Factorization over the complex numbers:
\[- \left(a - 9 i\right) \left(a + 9 i\right)\]\(i\) is the imaginary unit, defined as \(i^2 = -1\).