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10y-2
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10y-2
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\frac{40y^{2}-8y}{4y}
Combine 12y^{2} and 28y^{2} to get 40y^{2}.
\frac{8y\left(5y-1\right)}{4y}
Factor the expressions that are not already factored.
2\left(5y-1\right)
Cancel out 4y in both numerator and denominator.
10y-2
Expand the expression.
\frac{40y^{2}-8y}{4y}
Combine 12y^{2} and 28y^{2} to get 40y^{2}.
\frac{8y\left(5y-1\right)}{4y}
Factor the expressions that are not already factored.
2\left(5y-1\right)
Cancel out 4y in both numerator and denominator.
10y-2
Expand the expression.
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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