Solve for x
x=\frac{13}{23}\approx 0.565217391
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2\left(x-2\right)^{2}-3\left(5x+1\right)=2\left(x-2\right)\left(x+2\right)
Multiply both sides of the equation by 6, the least common multiple of 3,2.
2\left(x^{2}-4x+4\right)-3\left(5x+1\right)=2\left(x-2\right)\left(x+2\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-2\right)^{2}.
2x^{2}-8x+8-3\left(5x+1\right)=2\left(x-2\right)\left(x+2\right)
Use the distributive property to multiply 2 by x^{2}-4x+4.
2x^{2}-8x+8-15x-3=2\left(x-2\right)\left(x+2\right)
Use the distributive property to multiply -3 by 5x+1.
2x^{2}-23x+8-3=2\left(x-2\right)\left(x+2\right)
Combine -8x and -15x to get -23x.
2x^{2}-23x+5=2\left(x-2\right)\left(x+2\right)
Subtract 3 from 8 to get 5.
2x^{2}-23x+5=\left(2x-4\right)\left(x+2\right)
Use the distributive property to multiply 2 by x-2.
2x^{2}-23x+5=2x^{2}-8
Use the distributive property to multiply 2x-4 by x+2 and combine like terms.
2x^{2}-23x+5-2x^{2}=-8
Subtract 2x^{2} from both sides.
-23x+5=-8
Combine 2x^{2} and -2x^{2} to get 0.
-23x=-8-5
Subtract 5 from both sides.
-23x=-13
Subtract 5 from -8 to get -13.
x=\frac{-13}{-23}
Divide both sides by -23.
x=\frac{13}{23}
Fraction \frac{-13}{-23} can be simplified to \frac{13}{23} by removing the negative sign from both the numerator and the denominator.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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}