Advertisements
Advertisements
Question
The sum of two expressions is 5x2 – 3y2. If one of them is 3x2 + 4xy – y2, find the other.
Sum
Solution
(5x2 − 3y2) − (3x2 + 4xy − y2)
= 5x2 − 3y2 − 3x2 − 4xy + y2
= 5x2 − 3x2 − 4xy − 3y2 + y2
= 2x2 − 4xy − 2y2
shaalaa.com
Algebra Terminology - Literal Numbers, Terms, Expressions, Factor, Coefficient, Polynomials, Degree, like and Unlike Terms
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Subtract the first term from the second:
3.5abc, 10.5abc
Find the sum of x2 − x + 1, − 5x2 + 2x − 2 and 3x2 − 3x + 1
Find the sum of 4x2 + 7 − 3x, 4x − x2 + 8 and − 10 + 5x − 2x2.
Subtract:
5a − 3b + 2c from a − 4b − 2c.
Subtract:
2ab + cd − ac − 2bd from ab − 2cd + 2ac + bd.
Take − ab + bc − ca from bc − ca + ab.
Take `(-3)/2"p"+"q"-"r"` from `1/2"p"-1/3"q"-3/2"r".`
From the sum of 3a – 2b + 4c and 3b – 2c subtract a – b – c.
By how much should x + 2y – 3z be increased to get 3x?
Fill in the blank:
5x × 2x2y × (− 7y3) × 2x3y2 = ...............
