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63x^{2}-2x-48
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63x^{2}-2x-48
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63x^{2}-28x+54x-24+4\left(-7x-6\right)
Apply the distributive property by multiplying each term of -7x-6 by each term of -9x+4.
63x^{2}+26x-24+4\left(-7x-6\right)
Combine -28x and 54x to get 26x.
63x^{2}+26x-24-28x-24
Use the distributive property to multiply 4 by -7x-6.
63x^{2}-2x-24-24
Combine 26x and -28x to get -2x.
63x^{2}-2x-48
Subtract 24 from -24 to get -48.
63x^{2}-28x+54x-24+4\left(-7x-6\right)
Apply the distributive property by multiplying each term of -7x-6 by each term of -9x+4.
63x^{2}+26x-24+4\left(-7x-6\right)
Combine -28x and 54x to get 26x.
63x^{2}+26x-24-28x-24
Use the distributive property to multiply 4 by -7x-6.
63x^{2}-2x-24-24
Combine 26x and -28x to get -2x.
63x^{2}-2x-48
Subtract 24 from -24 to get -48.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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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