Solve for x
x=0
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\left(-x+2\right)\times 4-8=0
Variable x cannot be equal to 2 since division by zero is not defined. Multiply both sides of the equation by -x+2.
-4x+8-8=0
Use the distributive property to multiply -x+2 by 4.
-4x=0
Subtract 8 from 8 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -4 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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Linear equation
y = 3x + 4
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Matrix
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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
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Limits
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