Expand
2x^{2}-13xy-24y^{2}
Evaluate
\left(x-8y\right)\left(2x+3y\right)
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2x^{2}+3xy-16yx-24y^{2}
Apply the distributive property by multiplying each term of x-8y by each term of 2x+3y.
2x^{2}-13xy-24y^{2}
Combine 3xy and -16yx to get -13xy.
2x^{2}+3xy-16yx-24y^{2}
Apply the distributive property by multiplying each term of x-8y by each term of 2x+3y.
2x^{2}-13xy-24y^{2}
Combine 3xy and -16yx to get -13xy.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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