Textbook ExpertVerified Tutor
21 Nov 2021
Given information
Given expression is
To factorise the given expression.
Write the middle erm as a sum or difference of two different terms. To factorise the expression afterwards.
Factorise the first two terms and the last two terms obtained expression. Further, factorise the obtained expression in order to factorise it completely.
Step-by-step explanation
Step 1.
Given expression is .
Rewriting the as a difference,
.