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12a+4158
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12a+4158
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3ab-\left(-12a-18\right)+4136-\left(3ab-4\right)
Use the distributive property to multiply 2a+3 by -6.
3ab-\left(-12a\right)-\left(-18\right)+4136-\left(3ab-4\right)
To find the opposite of -12a-18, find the opposite of each term.
3ab+12a-\left(-18\right)+4136-\left(3ab-4\right)
The opposite of -12a is 12a.
3ab+12a+18+4136-\left(3ab-4\right)
The opposite of -18 is 18.
3ab+12a+4154-\left(3ab-4\right)
Add 18 and 4136 to get 4154.
3ab+12a+4154-3ab-\left(-4\right)
To find the opposite of 3ab-4, find the opposite of each term.
3ab+12a+4154-3ab+4
The opposite of -4 is 4.
12a+4154+4
Combine 3ab and -3ab to get 0.
12a+4158
Add 4154 and 4 to get 4158.
3ab-\left(-12a-18\right)+4136-\left(3ab-4\right)
Use the distributive property to multiply 2a+3 by -6.
3ab-\left(-12a\right)-\left(-18\right)+4136-\left(3ab-4\right)
To find the opposite of -12a-18, find the opposite of each term.
3ab+12a-\left(-18\right)+4136-\left(3ab-4\right)
The opposite of -12a is 12a.
3ab+12a+18+4136-\left(3ab-4\right)
The opposite of -18 is 18.
3ab+12a+4154-\left(3ab-4\right)
Add 18 and 4136 to get 4154.
3ab+12a+4154-3ab-\left(-4\right)
To find the opposite of 3ab-4, find the opposite of each term.
3ab+12a+4154-3ab+4
The opposite of -4 is 4.
12a+4154+4
Combine 3ab and -3ab to get 0.
12a+4158
Add 4154 and 4 to get 4158.
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}