please help...

fully factorise the following:

x^4 + 4

factorise the following:

18(x+1)^2 - 9(x+1) - 2

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- April 12th 2014, 09:16 PMrichardkim4668help needed with lots of questions
please help...

fully factorise the following:

x^4 + 4

factorise the following:

18(x+1)^2 - 9(x+1) - 2 - April 13th 2014, 12:53 AMShakarriRe: help needed with lots of questions
For the first question let y=x

^{2}

For the second question let y=x+1

Then you have quadratic equations to factorize which you can do with the quadratic formula. Some factors will be complex numbers.