Evaluate
8\left(a-b\right)
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8a-8b
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2a-\left(4b-\left(4a-\left(5b-2a\right)\right)-b\right)
Combine 3b and 2b to get 5b.
2a-\left(4b-\left(4a-5b-\left(-2a\right)\right)-b\right)
To find the opposite of 5b-2a, find the opposite of each term.
2a-\left(4b-\left(4a-5b+2a\right)-b\right)
The opposite of -2a is 2a.
2a-\left(4b-\left(6a-5b\right)-b\right)
Combine 4a and 2a to get 6a.
2a-\left(4b-6a-\left(-5b\right)-b\right)
To find the opposite of 6a-5b, find the opposite of each term.
2a-\left(4b-6a+5b-b\right)
The opposite of -5b is 5b.
2a-\left(9b-6a-b\right)
Combine 4b and 5b to get 9b.
2a-\left(8b-6a\right)
Combine 9b and -b to get 8b.
2a-8b-\left(-6a\right)
To find the opposite of 8b-6a, find the opposite of each term.
2a-8b+6a
The opposite of -6a is 6a.
8a-8b
Combine 2a and 6a to get 8a.
2a-\left(4b-\left(4a-\left(5b-2a\right)\right)-b\right)
Combine 3b and 2b to get 5b.
2a-\left(4b-\left(4a-5b-\left(-2a\right)\right)-b\right)
To find the opposite of 5b-2a, find the opposite of each term.
2a-\left(4b-\left(4a-5b+2a\right)-b\right)
The opposite of -2a is 2a.
2a-\left(4b-\left(6a-5b\right)-b\right)
Combine 4a and 2a to get 6a.
2a-\left(4b-6a-\left(-5b\right)-b\right)
To find the opposite of 6a-5b, find the opposite of each term.
2a-\left(4b-6a+5b-b\right)
The opposite of -5b is 5b.
2a-\left(9b-6a-b\right)
Combine 4b and 5b to get 9b.
2a-\left(8b-6a\right)
Combine 9b and -b to get 8b.
2a-8b-\left(-6a\right)
To find the opposite of 8b-6a, find the opposite of each term.
2a-8b+6a
The opposite of -6a is 6a.
8a-8b
Combine 2a and 6a to get 8a.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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}