Expand
5x^{2}-41x-36
Evaluate
\left(x-9\right)\left(5x+4\right)
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5x^{2}+4x-45x-36
Apply the distributive property by multiplying each term of x-9 by each term of 5x+4.
5x^{2}-41x-36
Combine 4x and -45x to get -41x.
5x^{2}+4x-45x-36
Apply the distributive property by multiplying each term of x-9 by each term of 5x+4.
5x^{2}-41x-36
Combine 4x and -45x to get -41x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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