Solve for x
x=-2
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0x^{2}+10x+20=0
Multiply 0 and 3 to get 0.
0+10x+20=0
Anything times zero gives zero.
20+10x=0
Add 0 and 20 to get 20.
10x=-20
Subtract 20 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-20}{10}
Divide both sides by 10.
x=-2
Divide -20 by 10 to get -2.
Examples
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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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