Factor
b\left(7-20y\right)a^{2}
Evaluate
b\left(7-20y\right)a^{2}
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a^{2}b\left(-\frac{80ya}{4a}+7\right)
Factor out a^{2}b.
-20y+7
Consider -20y+12-5. Multiply and combine like terms.
a^{2}b\left(-20y+7\right)
Rewrite the complete factored expression.
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