Advertisements
Advertisements
प्रश्न
Subtract:
7p(3q + 7p) from 8p(2p – 7q)
बेरीज
Advertisements
उत्तर
We have,
7p(3q + 7p) and 8p(2p – 7q)
The required difference is given by 8p(2p – 7q) – 7p(3q + 7p)
= 16p2 – 56pq – 21pq – 49p2
= (16p2 – 49p2) + (–56pq – 21pq) ...[Grouping like terms]
= – 33p2 + (–77pq)
= – 33p2 – 77pq
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३०]
APPEARS IN
संबंधित प्रश्न
Subtract: 7xyz from 17xyz
Subtract: 13x + 12y – 5 from 27x + 5y – 43
Subtract: m + n from 3m – 7n
Subtract – 3ab – 8 from 3ab + 8. Also, subtract 3ab + 8 from – 3ab – 8
What should be subtracted from 2m + 8n + 10 to get – 3m + 7n + 16?
Multiply the following:
(pq – 2r), (pq – 2r)
Subtract the following expressions:
2(ab + bc + ca) from –ab – bc – ca
How much does 93p2 – 55p + 4 exceed 13p3 – 5p2 + 17p – 90?
Subtract 9a2 – 15a + 3 from unity.
Translate the following algebraic expression:
4b – 3
