Evaluate
4\left(12x^{2}+x-1\right)
Expand
48x^{2}+4x-4
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48x^{2}+16x-12x-4
Apply the distributive property by multiplying each term of 8x-2 by each term of 6x+2.
48x^{2}+4x-4
Combine 16x and -12x to get 4x.
48x^{2}+16x-12x-4
Apply the distributive property by multiplying each term of 8x-2 by each term of 6x+2.
48x^{2}+4x-4
Combine 16x and -12x to get 4x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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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