Advertisements
Advertisements
Question
Express each of the following as the difference of two squares:
(x2 + 2x - 3) (x2 - 2x + 3)
Sum
Solution
(x2 + 2x - 3) (x2 - 2x + 3)
= [x2 + (2x - 3)][x2 - (2x - 3)]
= x2 - (2x - 3)2
= x4 - (2x - 3)2.
shaalaa.com
Method of Factorisation : Difference of Two Squares
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise : 4a2 - (4b2 + 4bc + c2)
Factorise : 4a2 - 49b2 + 2a - 7b
Factorise : a2 + b2 - c2 - d2 + 2ab - 2cd
Factorise:
(a2 - 1) (b2 - 1) + 4ab
Factorise the following by the difference of two squares:
441 - 81y2
Factorise the following by the difference of two squares:
x6 - 196
Factorise the following by the difference of two squares:
`"m"^2 - (1)/(9)"n"^2`
Factorise the following by the difference of two squares:
a(a - 1) - b(b - 1)
Factorise the following:
(2a - b)2 -9(3c - d)2
Factorise the following:
(a2 - b2)(c2 - d2) - 4abcd
