Advertisements
Advertisements
Question
Find the sum of the following expressions
5xyz – 3xy, 3zxy – 5yx
Sum
Solution
5xyz – 3xy + 3zxy – 5yx = 5xyz + 3xyz – 3xy – 5xy
= (5 + 3)xyz + [(– 3) + (– 5)]xy
= 8xyz + (– 8)xy
= 8xyz – 8xy
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Subtract: -m2 + 5mn from 4m2 - 3mn + 8
From the sum of 3x - y + 11 and - y - 11, subtract 3x - y - 11.
From the sum of 4 + 3x and 5 - 4x + 2x2, subtract the sum of 3x2 - 5x and -x2 + 2x + 5.
Add the following algebraic expression:
4xy2 − 7x2y, 12x2y − 6xy2, − 3x2y +5xy2
Subtract:
2a − b from 3a − 5b
Subtract:
2x3 − 4x2 + 3x + 5 from 4x3 + x2 + x + 6
Subtract 3x − 4y − 7z from the sum of x − 3y + 2z and − 4x + 9y − 11z.
Add:
9p + 16q; 13p + 2q
Add:
2a + 6b + 8c; 16a + 13c + 18b
Add:
13x2 − 12y2; 6x2 − 8y2
