Advertisements
Advertisements
Question
The sum of –7pq and 2pq is ______.
Options
–9pq
9pq
5pq
– 5pq
MCQ
Fill in the Blanks
Advertisements
Solution
The sum of –7pq and 2pq is – 5pq.
Explanation:
Given, monomials are –7pq and 2pq.
∴ Their sum = –7pq + 2pq = (–7 + 2)pq ...[Both monomials consist of like terms, so adding their numerical coefficient]
= – 5pq
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Subtract: -x2 + 10x - 5 from 5x - 10
What should be added to x2 + xy + y2 to obtain 2x2 + 3xy?
Add the following algebraic expression:
4xy2 − 7x2y, 12x2y − 6xy2, − 3x2y +5xy2
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Add:
−3y2 + 10y − 16; 7y2 + 8
Add: 7xy + 5yz – 3zx, 4yz + 9zx – 4y, –3xz + 5x – 2xy.
Add: 8x, 3x
Simplify: p + p + 2 + p + 3 + p – 4 – p – 5 + p + 10
Find the expression to be added with 5a – 3b – 2c to get a – 4b – 2c?
Add:
5x2 – 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13
