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4b^{2}-a^{2}
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4b^{2}-a^{2}
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\left(-a\right)a+2\left(-a\right)b+2ba+4b^{2}
Apply the distributive property by multiplying each term of -a+2b by each term of a+2b.
-a^{2}+2\left(-1\right)ab+2ba+4b^{2}
Multiply a and a to get a^{2}.
-a^{2}-2ab+2ba+4b^{2}
Multiply 2 and -1 to get -2.
-a^{2}+4b^{2}
Combine -2ab and 2ba to get 0.
\left(-a\right)a+2\left(-a\right)b+2ba+4b^{2}
Apply the distributive property by multiplying each term of -a+2b by each term of a+2b.
-a^{2}+2\left(-1\right)ab+2ba+4b^{2}
Multiply a and a to get a^{2}.
-a^{2}-2ab+2ba+4b^{2}
Multiply 2 and -1 to get -2.
-a^{2}+4b^{2}
Combine -2ab and 2ba to get 0.
Examples
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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