ICSE Class 9 Answered
Factorise: x^6-7x^3-8
Asked by laxmi.agarwal055 | 21 Feb, 2018, 06:54: PM
Expert Answer
now putting x=-1, x6-7x3-8 becomes zero
so x+1 is a factor
divide x6-7x3-8 by x+1 you will get quadratic eqn
then factorise further
Answered by Arun | 21 Feb, 2018, 07:23: PM
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