Solve for x
x=1
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4x^{2}+7x-2x\left(2x-5\right)=17
Multiply -1 and 2 to get -2.
4x^{2}+7x-4x^{2}+10x=17
Use the distributive property to multiply -2x by 2x-5.
7x+10x=17
Combine 4x^{2} and -4x^{2} to get 0.
17x=17
Combine 7x and 10x to get 17x.
x=\frac{17}{17}
Divide both sides by 17.
x=1
Divide 17 by 17 to get 1.
Examples
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y = 3x + 4
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\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]
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\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 ) }
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Limits
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