Advertisements
Advertisements
Question
Add: 3p2q2 - 4pq + 5, - 10p2q2, 15 + 9pq + 7p2q2
Advertisements
Solution
(3p2q2 - 4pq + 5) + (-10 p2q2) + (15 + 9pq + 7p2q2)
= 3p2q2 - 4pq + 5 - 10 p2q2 + 15 + 9pq + 7p2q2
= 3p2q2 - 10 p2q2 + 7p2q2 - 4pq + 9pq + 5 + 15
= p2q2 (3 - 10 + 7) + pq (-4 + 9) + 5 + 15
= 5pq + 20
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Simplify combining like terms: - z2 + 13z2 − 5z + 7z3 − 15z
Subtract:
2a − b from 3a − 5b
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: −9y, 11y, 2y
Find the sum of the following expressions
a + 5b + 7c, 2a + 10b + 9c
The addition of 3mn, – 5mn, 8mn and – 4mn is
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Sum of x2 + x and y + y2 is 2x2 + 2y2.
What should be added to x3 + 3x2y + 3xy2 + y3 to get x3 + y3?
