Solve for x
x=0
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\left(2x-1\right)\times 2x\times 2=2\left(2x+1\right)\times 2x
Variable x cannot be equal to any of the values -\frac{1}{2},\frac{1}{2} since division by zero is not defined. Multiply both sides of the equation by \left(2x-1\right)\left(2x+1\right), the least common multiple of 2x+1,2x-1.
\left(2x-1\right)\times 4x=2\left(2x+1\right)\times 2x
Multiply 2 and 2 to get 4.
\left(8x-4\right)x=2\left(2x+1\right)\times 2x
Use the distributive property to multiply 2x-1 by 4.
8x^{2}-4x=2\left(2x+1\right)\times 2x
Use the distributive property to multiply 8x-4 by x.
8x^{2}-4x=4\left(2x+1\right)x
Multiply 2 and 2 to get 4.
8x^{2}-4x=\left(8x+4\right)x
Use the distributive property to multiply 4 by 2x+1.
8x^{2}-4x=8x^{2}+4x
Use the distributive property to multiply 8x+4 by x.
8x^{2}-4x-8x^{2}=4x
Subtract 8x^{2} from both sides.
-4x=4x
Combine 8x^{2} and -8x^{2} to get 0.
-4x-4x=0
Subtract 4x from both sides.
-8x=0
Combine -4x and -4x to get -8x.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -8 is not equal to 0, x must be equal to 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}