Solve for x
x=2
x=0
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6x^{2}-7x+2=5x+2
Use the distributive property to multiply 2x-1 by 3x-2 and combine like terms.
6x^{2}-7x+2-5x=2
Subtract 5x from both sides.
6x^{2}-12x+2=2
Combine -7x and -5x to get -12x.
6x^{2}-12x+2-2=0
Subtract 2 from both sides.
6x^{2}-12x=0
Subtract 2 from 2 to get 0.
x=\frac{-\left(-12\right)±\sqrt{\left(-12\right)^{2}}}{2\times 6}
This equation is in standard form: ax^{2}+bx+c=0. Substitute 6 for a, -12 for b, and 0 for c in the quadratic formula, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{-\left(-12\right)±12}{2\times 6}
Take the square root of \left(-12\right)^{2}.
x=\frac{12±12}{2\times 6}
The opposite of -12 is 12.
x=\frac{12±12}{12}
Multiply 2 times 6.
x=\frac{24}{12}
Now solve the equation x=\frac{12±12}{12} when ± is plus. Add 12 to 12.
x=2
Divide 24 by 12.
x=\frac{0}{12}
Now solve the equation x=\frac{12±12}{12} when ± is minus. Subtract 12 from 12.
x=0
Divide 0 by 12.
x=2 x=0
The equation is now solved.
6x^{2}-7x+2=5x+2
Use the distributive property to multiply 2x-1 by 3x-2 and combine like terms.
6x^{2}-7x+2-5x=2
Subtract 5x from both sides.
6x^{2}-12x+2=2
Combine -7x and -5x to get -12x.
6x^{2}-12x=2-2
Subtract 2 from both sides.
6x^{2}-12x=0
Subtract 2 from 2 to get 0.
\frac{6x^{2}-12x}{6}=\frac{0}{6}
Divide both sides by 6.
x^{2}+\left(-\frac{12}{6}\right)x=\frac{0}{6}
Dividing by 6 undoes the multiplication by 6.
x^{2}-2x=\frac{0}{6}
Divide -12 by 6.
x^{2}-2x=0
Divide 0 by 6.
x^{2}-2x+1=1
Divide -2, the coefficient of the x term, by 2 to get -1. Then add the square of -1 to both sides of the equation. This step makes the left hand side of the equation a perfect square.
\left(x-1\right)^{2}=1
Factor x^{2}-2x+1. In general, when x^{2}+bx+c is a perfect square, it can always be factored as \left(x+\frac{b}{2}\right)^{2}.
\sqrt{\left(x-1\right)^{2}}=\sqrt{1}
Take the square root of both sides of the equation.
x-1=1 x-1=-1
Simplify.
x=2 x=0
Add 1 to both sides of the equation.
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}