Factor
\left(5b-8a\right)\left(7a^{2}+8b\right)
Evaluate
\left(5b-8a\right)\left(7a^{2}+8b\right)
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7a^{2}\left(-8a+5b\right)+8b\left(-8a+5b\right)
Do the grouping -56a^{3}+40b^{2}-64ab+35ba^{2}=\left(-56a^{3}+35ba^{2}\right)+\left(-64ab+40b^{2}\right), and factor out 7a^{2} in the first and 8b in the second group.
\left(-8a+5b\right)\left(7a^{2}+8b\right)
Factor out common term -8a+5b by using distributive property.
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