Expand
y^{2}-19y+84
Evaluate
\left(y-12\right)\left(y-7\right)
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y^{2}-7y-12y+84
Apply the distributive property by multiplying each term of y-12 by each term of y-7.
y^{2}-19y+84
Combine -7y and -12y to get -19y.
y^{2}-7y-12y+84
Apply the distributive property by multiplying each term of y-12 by each term of y-7.
y^{2}-19y+84
Combine -7y and -12y to get -19y.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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