Advertisements
Advertisements
Question
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x3 + 2abx2 + b2x
Sum
Advertisements
Solution
We have,
a2x3 + 2abx2 + b2x
= x(a2x2 + 2abx + b2)
= x[(ax)2 + 2 × ax × b + b2]
= x(ax + b)2
= x(ax + b)(ax + b)
shaalaa.com
Is there an error in this question or solution?
Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 234]
APPEARS IN
RELATED QUESTIONS
Simplify (ab + bc)2 − 2ab2c
Which of the options given below is the square of the binomial `(8-1/"x")`?
Use an expansion formula to find the value.
(997)2
Expand: (2x + 3y)2
Expand (3m + 5)2
Factorise the following expressions
x2 + 14x + 49
Factorise the following using suitable identity
a2 + 6ab + 9b2 – c2
The sum of areas of two squares with sides 4a and 4b is ______.
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 2x + 1
Factorise the following.
18 + 11x + x2
