Evaluate
\left(a-b\right)\left(a+2b\right)
Expand
a^{2}+ab-2b^{2}
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2ba-2b^{2}+a^{2}-ab
Apply the distributive property by multiplying each term of 2b+a by each term of a-b.
ba-2b^{2}+a^{2}
Combine 2ba and -ab to get ba.
2ba-2b^{2}+a^{2}-ab
Apply the distributive property by multiplying each term of 2b+a by each term of a-b.
ba-2b^{2}+a^{2}
Combine 2ba and -ab to get ba.
Examples
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Limits
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