Advertisements
Advertisements
Question
Add: 5m - 7n, 3n - 4m + 2, 2m - 3mn - 5
Advertisements
Solution
(5m - 7n) + (3n - 4m + 2) + (2m - 3mn - 5)
= 5m - 7n + 3n - 4m + 2 + 2m - 3mn - 5
= 5m - 4m + 2m - 7n + 3n - 3mn + 2 - 5
= m (5 - 4 + 2) + n (-7 + 3) -3mn + 2 - 5
= 3m - 4n - 3mn - 3
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Subtract: 5a2 - 7ab + 5b2 from 3ab - 2a2 -2b2
Add the following algebraic expression:
4xy2 − 7x2y, 12x2y − 6xy2, − 3x2y +5xy2
If \[x + \frac{1}{x} = 20,\]find the value of \[x^2 + \frac{1}{x^2} .\].
If \[x + \frac{1}{x} = 9,\] find the value of \[x^4 + \frac{1}{x^4} .\]
Solve the following equation.
`4"x"+1/2=9/2`
The additive inverse of −37xyz is ___________
Add: 7mn, 5mn
Find the sum of the following expressions
mn + t, 2mn – 2t, – 3t + 3mn
The addition of 3mn, – 5mn, 8mn and – 4mn is
Sum of x and y is x + y.
