Add: 7mn, 5mn

Add: 7mn, 5mn

Sum

7mn + 5mn = (7 + 5)mn

= 12mn

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Chapter 3: Algebra - Exercise 3.2 [Page 63]

Chapter 3 Algebra
Exercise 3.2 | Q 3. (ii) | Page 63

Add the following:

2p²q² − 3pq + 4, 5 + 7pq − 3p²q²

Add: 3mn, − 5mn, 8mn, −4mn

Add: x² - y² - 1 , y² - 1 - x², 1- x² - y²

What should be added to x² + xy + y² to obtain 2x² + 3xy?

Add the following algebraic expression:

3a²b, − 4a²b, 9a²b

Add the following algebraic expression:

\[\frac{2}{3}a, \frac{3}{5}a, - \frac{6}{5}a\]

Subtract:

\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]

Solve:

(6a − 5b − 8c) + (15b + 2a − 5c)

Find the expression to be added with 5a – 3b – 2c to get a – 4b – 2c?

Sum of 2 and p is 2p.