Advertisements
Advertisements
Question
Simplify: 2 [a – 3 {a + 5 {a – 2) + 7}]
Advertisements
Solution
2 [a – 3 {a + 5 {a – 2) + 7}]
= 2 [a - 3 {a + 5a - 10 + 7}]
= 2 [a - 3a - 15a + 30 - 21]
= 2a - 6a - 30a + 60 - 42
= 2a - 36a + 60 - 42
= -34a + 18
APPEARS IN
RELATED QUESTIONS
Identify the terms, their coefficients for the following expressions.
0.3a − 0.6ab + 0.5b
Identify the term, their coefficients for the following expression:
3x2y2 − 5x2y2z2 + z2
Find the sum of: 4a2 + 5b2 – 6ab, 3ab, 6a2 – 2b2 and 4b2 – 5 ab
The numerical co-efficient of −7mn is
The factors of x2 – 4 are ______.
Common factor of ax2 + bx is ______.
Factorisation of – 3a2 + 3ab + 3ac is 3a(– a – b – c).
Identify term which contain x and give the coefficient of x.
5 + z + zx
If (x2y + y2 + 3) is subtracted from (3x2y + 2y2 + 5), then coefficient of y in the result is ______.
Find the numerical coefficient of the terms :
x3y2z, xy2z3, –3xy2z3, 5x3y2z, –7x2y2z2
