Question 1116335: factorise completely the following
a) x^9-y^9
B)x^4-5x^3+5x^2+5x-6 Found 2 solutions by KMST, MathTherapy:Answer by KMST(5328) (Show Source):
You can put this solution on YOUR website! A) You can use the"special product twice,
with the first time, and the second time.
The last expression is completely factorized.
A polynomial of the form is positive as long as ,
so it cannot be factored.
B)
takes the value for and for ,
so and are factors.
Dividing by both, you find
The last expression is completely factorized,
unless you wanted to include and as factors,
because the zeros of are the irrational numbers
