Evaluate
\left(7w-2\right)\left(6x+2w+1\right)
Expand
42wx-12x+14w^{2}+3w-2
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14w^{2}-4w+42xw-12x+7w-2
Apply the distributive property by multiplying each term of 2w+6x+1 by each term of 7w-2.
14w^{2}+3w+42xw-12x-2
Combine -4w and 7w to get 3w.
14w^{2}-4w+42xw-12x+7w-2
Apply the distributive property by multiplying each term of 2w+6x+1 by each term of 7w-2.
14w^{2}+3w+42xw-12x-2
Combine -4w and 7w to get 3w.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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 ) }
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Limits
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