0 \sqrt { 10,2 x ^ { 2 } - 1,8 x } = 0
Solve for x
x\in (-\infty;0]\cup [\frac{3}{17};\infty)
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0=0
Anything times zero gives zero.
\text{true}
Compare 0 and 0.
x\in \mathrm{R}
This is true for any x.
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
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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