Posted by Jane on Wednesday, June 25, 2014 at 2:32am.
multiply
(n^3+8)(n4)
can you give me an example on how to solve this please

Algebra  tope, Wednesday, June 25, 2014 at 4:35am
(x^3+3)(x1)=x^4x^3+3x3
=x(x^3x^2+3)3
=x3=0.....eqn1
=x^3x^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.