Evaluate
8mn+8m-5n
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8mn+8m-5n
Quiz
Algebra
5 problems similar to:
( 9 m n + 4 m - 5 n ) - ( 7 m n - 8 n + 5 n ) - 3 n + 4 m + 6 m n =
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9mn+4m-5n-\left(7mn-3n\right)-3n+4m+6mn
Combine -8n and 5n to get -3n.
9mn+4m-5n-7mn-\left(-3n\right)-3n+4m+6mn
To find the opposite of 7mn-3n, find the opposite of each term.
9mn+4m-5n-7mn+3n-3n+4m+6mn
The opposite of -3n is 3n.
2mn+4m-5n+3n-3n+4m+6mn
Combine 9mn and -7mn to get 2mn.
2mn+4m-2n-3n+4m+6mn
Combine -5n and 3n to get -2n.
2mn+4m-5n+4m+6mn
Combine -2n and -3n to get -5n.
2mn+8m-5n+6mn
Combine 4m and 4m to get 8m.
8mn+8m-5n
Combine 2mn and 6mn to get 8mn.
9mn+4m-5n-\left(7mn-3n\right)-3n+4m+6mn
Combine -8n and 5n to get -3n.
9mn+4m-5n-7mn-\left(-3n\right)-3n+4m+6mn
To find the opposite of 7mn-3n, find the opposite of each term.
9mn+4m-5n-7mn+3n-3n+4m+6mn
The opposite of -3n is 3n.
2mn+4m-5n+3n-3n+4m+6mn
Combine 9mn and -7mn to get 2mn.
2mn+4m-2n-3n+4m+6mn
Combine -5n and 3n to get -2n.
2mn+4m-5n+4m+6mn
Combine -2n and -3n to get -5n.
2mn+8m-5n+6mn
Combine 4m and 4m to get 8m.
8mn+8m-5n
Combine 2mn and 6mn to get 8mn.
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}