Evaluate
x\left(3x+4y\right)
Expand
3x^{2}+4xy
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4x^{2}+4xy-x^{2}
Use the distributive property to multiply 4x by x+y.
3x^{2}+4xy
Combine 4x^{2} and -x^{2} to get 3x^{2}.
4x^{2}+4xy-x^{2}
Use the distributive property to multiply 4x by x+y.
3x^{2}+4xy
Combine 4x^{2} and -x^{2} to get 3x^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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Integration
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Limits
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