SOLUTION: factorise completely the following a) x^9-y^9 B)x^4-5x^3+5x^2+5x-6

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
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
factorise completely the following
a) x^9-y^9
B)x^4-5x^3+5x^2+5x-6

Correct answers:
RELATED QUESTIONS
1. factorise x^4-5x^3+5x^2+5x-6 2. x^9-y^9 3. solve the equation... (answered by Edwin McCravy,Alan3354)
Completely factorise the following 40v^3-35vh x^2-5x-14... (answered by vleith)
Factorise the following expressions completely... (answered by josgarithmetic)
x^4-5x^3+12x^2-5x-2 factorise... (answered by uksraj)
Rewrite x^4+2x^3+6x^2+5x+6 in the form (x^2+x)^2+a(x^2+x)+b. Fully factorise your answer. (answered by Edwin McCravy)
Can you please help me with these questions? I am stuck! 1. Simplify completely. 5x - (answered by edjones)
What is a quartic function with only the two real zeros given? x = -4 and x = -1 A. (answered by ewatrrr)
What is a quartic function with only the two real zeros given? x = -4 and x = -1 A. (answered by ewatrrr)
Can someone please help me factorise the following 1) 18x^2-96x+128 2) 45y^4z-80y^2z^3 (answered by stanbon,Vivek g)