Advertisements
Advertisements
Question
Add: 7mn, 5mn
Solution
7mn + 5mn = (7 + 5)mn
= 12mn
APPEARS IN
RELATED QUESTIONS
Subtract: (a - b) from (a + b)
From the sum of 4 + 3x and 5 - 4x + 2x2, subtract the sum of 3x2 - 5x and -x2 + 2x + 5.
Subtract 3x − 4y − 7z from the sum of x − 3y + 2z and − 4x + 9y − 11z.
Add:
3y2 − 10y + 16; 2y − 7
Add:
3a(a – b + c), 2b(a – b + c)
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
Add the following expressions:
uv – vw, vw – wu and wu – uv
Add the following expressions:
t – t2 – t3 – 14; 15t3 + 13 + 9t – 8t2; 12t2 – 19 – 24t and 4t – 9t2 + 19t3
What should be added to x3 + 3x2y + 3xy2 + y3 to get x3 + y3?
Each symbol given below represents an algebraic expression:
= 2x2 + 3y, 
= 5x2 + 3x, 
= 8y2 – 3x2 + 2x + 3y
The symbols are then represented in the expression:
Find the expression which is represented by the above symbols.
