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
RELATED QUESTIONS
What should be subtracted from 2a + 8b + 10 to get - 3a + 7b + 16?
Add the following algebraic expression:
\[\frac{2}{3}a, \frac{3}{5}a, - \frac{6}{5}a\]
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Subtract the sum of 2x − x2 + 5 and − 4x − 3 + 7x2 from 5.
Find the sum of the following expressions
a + 5b + 7c, 2a + 10b + 9c
Find the sum of the following expressions
u + v, u – v, 2u + 5v, 2u – 5v
The addition of 3mn, – 5mn, 8mn and – 4mn is
The sum of –7pq and 2pq is ______.
Multiply the following:
(ab + c), (ab + c)
Add the following expressions:
p2 – 7pq – q2 and –3p2 – 2pq + 7q2
