10d^2-21df-10f^2
You asked:
Evaluate the expression: \(10 {d}^{2} - 21 d f - 10 {f}^{2}\)
MathBot Answer:
Evaluated
\(\displaystyle 10 {d}^{2} - 21 d f - 10 {f}^{2} = 10 d^{2} - 21 d f - 10 f^{2} \)
Factored
\[10 {d}^{2} - 21 d f - 10 {f}^{2} = \left(2 d - 5 f\right) \left(5 d + 2 f\right)\]