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March 28, 2015

March 28, 2015

Posted by **Jane** on Wednesday, June 25, 2014 at 2:32am.

(n^3+8)(n-4)

can you give me an example on how to solve this please

- Algebra -
**tope**, Wednesday, June 25, 2014 at 4:35am(x^3+3)(x-1)=x^4-x^3+3x-3

=x(x^3-x^2+3)-3

=x-3=0.....eqn1

=x^3-x^2+3=0...eqn2

From eqn2 using a calculator u get

X=-1.17,x=1.09,x=1.09

From eqn1 u get x=3. U get 4 answer for this algebra because x is raised to the power 4 i.e x^4 when u open ur bracket.

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