Advertisements
Advertisements
Question
Simplify: 7n2 – 9n2 + 3n2
Sum
Advertisements
Solution
7n2 – 9n2 + 3n2
= 7n2 + 3n2 – 9n2
= 10n2 - 9n2 = n2
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Identify the numerical coefficient of term (other than constant) in the following expression:
5 − 3t2
Find the sum of: 4x2+ 8xy – 2y2 and 8xy – 5y2 + x2
Find the sum of: – 4x2 and +7x
Subtract the second expression from the first:
2a + b, a + b
Simplify: 3x + [4x – (6x – 3)]
Simplify: 5b – {6a + (8 – b – a)}
Simplify: 5a – [6a – {9a – (10a – `bar("4a" - "3a"))}]`
The co-efficient of ab in the term 15 abc is 15
The value of (– 27x2y) ÷ (– 9xy) is ______.
Factorisation of – 3a2 + 3ab + 3ac is 3a(– a – b – c).
