Advertisements
Advertisements
Question
Factorise : a2 - b2 - (a + b) 2
Sum
Advertisements
Solution
a2 - b2 - (a + b) 2
= a2 - b2 - ( a2 + 2ab + b2 )
= a2 - b2 - a2 - 2ab - b2
= - 2ab - 2b2
= - 2b( a + b )
shaalaa.com
Method of Factorisation : Difference of Two Squares
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise : a2 - (2a + 3b)2
Factorise : 25(2a - b)2 - 81b2
Factorise : 4a2b - 9b3
Factorise : (a2 + b2 - 4c2)2 - 4a2b2
Factorise : `x^2 + 1/x^2 - 11`
Factorise the following by the difference of two squares:
64x2 - 121y2
Factorise the following by the difference of two squares:
(x + y)2 -1
Factorise the following:
a2 + b2 – c2 – d2 + 2ab – 2cd
Factorise the following:
4xy - x2 - 4y2 + z2
Express each of the following as the difference of two squares:
(x2 - 2x + 3)(x2 + 2x + 3)
