Evaluate
-766mℓ+\frac{39ℓ}{2}
Factor
\frac{ℓ\left(39-1532m\right)}{2}
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20ℓ-\frac{1}{2}ℓ-766mℓ
Multiply 5 and 4 to get 20.
\frac{39}{2}ℓ-766mℓ
Combine 20ℓ and -\frac{1}{2}ℓ to get \frac{39}{2}ℓ.
\frac{40ℓ-ℓ-1532mℓ}{2}
Factor out \frac{1}{2}.
ℓ\left(39-1532m\right)
Consider 40ℓ-ℓ-1532mℓ. Factor out ℓ.
-1532m+39
Consider 40-1-1532m. Multiply and combine like terms.
\frac{ℓ\left(-1532m+39\right)}{2}
Rewrite the complete factored expression.
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