Solve for x
x=0
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0=200x\times 900
Multiply 0 and 5 to get 0.
0=180000x
Multiply 200 and 900 to get 180000.
180000x=0
Swap sides so that all variable terms are on the left hand side.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 180000 is not equal to 0, x must be equal to 0.
Examples
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Linear equation
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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 ) }
Integration
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Limits
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