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52x^{2}+78xy-34x-y-40
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52x^{2}+78xy-34x-y-40
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-13x\left(-4x-6y-\left(-4\right)\right)+18x-2y-40+y
To find the opposite of 4x+6y-4, find the opposite of each term.
-13x\left(-4x-6y+4\right)+18x-2y-40+y
The opposite of -4 is 4.
52x^{2}+78xy-52x+18x-2y-40+y
Use the distributive property to multiply -13x by -4x-6y+4.
52x^{2}+78xy-34x-2y-40+y
Combine -52x and 18x to get -34x.
52x^{2}+78xy-34x-y-40
Combine -2y and y to get -y.
-13x\left(-4x-6y-\left(-4\right)\right)+18x-2y-40+y
To find the opposite of 4x+6y-4, find the opposite of each term.
-13x\left(-4x-6y+4\right)+18x-2y-40+y
The opposite of -4 is 4.
52x^{2}+78xy-52x+18x-2y-40+y
Use the distributive property to multiply -13x by -4x-6y+4.
52x^{2}+78xy-34x-2y-40+y
Combine -52x and 18x to get -34x.
52x^{2}+78xy-34x-y-40
Combine -2y and y to get -y.
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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