Advertisements
Advertisements
Question
Add:
xy2z2 + 3x2y2z – 4x2yz2, – 9x2y2z + 3xy2z2 + x2yz2
Sum
Advertisements
Solution
We have,
(xy2z2 + 3x2y2z – 4x2yz2) + (– 9x2y2z + 3xy2z2 + x2yz2)
= xy2z2 + 3x2y2z – 4x2yz2 – 9x2y2z + 3xy2z2 + x2yz2
= (xy2z2 + 3xy2z2) + (3x2y2z – 9x2y2z) + (– 4x2yz2 + x2yz2) ...[Grouping like terms]
= 4xy2z2 + (– 6x2y2z) + (–3x2yz2)
= 4xy2z2 – 6x2y2z – 3x2yz2
shaalaa.com
Is there an error in this question or solution?
Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 230]
APPEARS IN
RELATED QUESTIONS
Add the following:
a − b + ab, b − c + bc, c − a + ac
Add: t - 8tz, 3tz - z, z - t
Subtract: -x2 + 10x - 5 from 5x - 10
Add the following algebraic expression:
4xy2 − 7x2y, 12x2y − 6xy2, − 3x2y +5xy2
Subtract:
2a − b from 3a − 5b
If \[x + \frac{1}{x} = 20,\]find the value of \[x^2 + \frac{1}{x^2} .\].
Add:
3y2 − 10y + 16; 2y − 7
Add: 8x, 3x
Add:
2p4 – 3p3 + p2 – 5p + 7, –3p4 – 7p3 – 3p2 – p – 12
Sum of x and y is x + y.
