Advertisements
Advertisements
Question
Factorise the following expression.
4x2 − 8x + 4
Sum
Solution
4x2 − 8x + 4
= (2x)2 − 2 (2x) (2) + (2)2
= (2x − 2)2 [(a − b)2
= a2 − 2ab + b2]
= [(2) (x − 1)]2
= 4(x − 1)2
= 4(x − 1) (x − 1)
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise the following expression.
a2 + 8a + 16
Factorise the following expression.
121b2 − 88bc + 16c2
Factorise the following expression.
a4 + 2a2b2 + b4
Factorise.
4p2 − 9q2
Factorise.
25a2 − 4b2 + 28bc − 49c2
Factorise the expression.
ax2 + bx
Factorise the expression.
2x3 + 2xy2 + 2xz2
Factorise.
p4 − 81
Factorise the following expression:
ab – ac – mb + mc
Factorise the following by taking out the common factor
3y3 – 48y
