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