Advertisements
Advertisements
Question
Add the following algebraic expression:
3a2b, − 4a2b, 9a2b
Advertisements
Solution
To add the like terms, we proceed as follows:
\[3 a^2 b + \left( - 4 a^2 b \right) + 9 a^2 b\]
\[ = 3 a^2 b - 4 a^2 b + 9 a^2 b\]
\[ = \left( 3 - 4 + 9 \right) a^2 b (\text { Distributive law }) \]
\[ = 8 a^2 b\]
APPEARS IN
RELATED QUESTIONS
Simplify combining like terms: 3a - 2b - ab - (a - b + ab) + 3ab + b - a
What should be added to x2 + xy + y2 to obtain 2x2 + 3xy?
Add the following algebraic expression: \[\frac{7}{2} x^3 - \frac{1}{2} x^2 + \frac{5}{3}, \frac{3}{2} x^3 + \frac{7}{4} x^2 - x + \frac{1}{3}, \frac{3}{2} x^2 - \frac{5}{2}x - 2\]
Find the sum of the following expressions
u + v, u – v, 2u + 5v, 2u – 5v
Simplify: p + p + 2 + p + 3 + p – 4 – p – 5 + p + 10
On simplification `(3x + 3)/3` = ______.
Add:
9ax + 3by – cz, –5by + ax + 3cz
Sum of x2 + x and y + y2 is 2x2 + 2y2.
Add the following expressions:
a2 + 3ab – bc, b2 + 3bc – ca and c2 + 3ca – ab
Write two different algebraic expressions for the word phrase “`(1/4)` of the sum of x and 7.”
