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12x-66
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12x-66
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12x+24-90
Use the distributive property to multiply 12 by x+2.
12x-66
Subtract 90 from 24 to get -66.
12x+24-90
Use the distributive property to multiply 12 by x+2.
12x-66
Subtract 90 from 24 to get -66.
Examples
Quadratic equation
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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