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y=-8
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y≔-8
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y=-2|-6|+4
Subtract 6 from 0 to get -6.
y=-2\times 6+4
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -6 is 6.
y=-12+4
Multiply -2 and 6 to get -12.
y=-8
Add -12 and 4 to get -8.
Examples
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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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