Advertisements
Advertisements
Question
Add the following:
2p2q2 − 3pq + 4, 5 + 7pq − 3p2q2
Advertisements
Solution
The given expressions are written in separate rows, with like terms one below the other, and then the addition of these expressions is as follows:
2p2q2 – 3pq + 4
–3p2q2 + 7pq + 5
________________
–p2q2 + 4pq + 9
Thus, the sum of the given expressions is –p2q2 + 4pq + 9.
APPEARS IN
RELATED QUESTIONS
Subtract: a (b - 5) from b (5 - a)
Subtract: -m2 + 5mn from 4m2 - 3mn + 8
Subtract: 4pq - 5q2 - 3p2 from 5p2 + 3q2 - pq
What should be subtracted from 2a + 8b + 10 to get - 3a + 7b + 16?
Subtract:
2a − b from 3a − 5b
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Subtract:
\[x^2 y - \frac{4}{5}x y^2 + \frac{4}{3}xy \text { from } \frac{2}{3} x^2 y + \frac{3}{2}x y^2 - \frac{1}{3}xy\]
Multiply: \[\left( \frac{x}{7} + \frac{x^2}{2} \right)by\left( \frac{2}{5} + \frac{9x}{4} \right)\]
Sum of 2 and p is 2p.
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
