-3a(2a-b)
You asked:
Evaluate the expression: \(-\left( 3 \cdot a \cdot \left(2 a - b\right) \right)\)
MathBot Answer:
Evaluated
\(\displaystyle -\left( 3 \cdot a \cdot \left(2 a - b\right) \right) = - 3 a \left(2 a - b\right) \)
Expanded
\[-\left( 3 \cdot a \cdot \left(2 a - b\right) \right) = - 6 a^{2} + 3 a b\]