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March 2, 2015

March 2, 2015

Posted by **Sira** on Wednesday, October 17, 2012 at 1:35am.

1) g(t) = 1/2t^4-1/2

2) g(t) = t^5-6t^3+9t

3) f(x) = 5x^4+15x^2+10

- pre-calc -
**Reiny**, Wednesday, October 17, 2012 at 9:20am1. take out a common factor of 1/2, then factor as a difference of squares

(1/2)(t^2 + 1)(t-1)(t+1)

etc

2.

t(t^4 - 6t^2 + 9)

= t(t^2 - 3)(t^2 -3)

etc

3. 5(x^4 + 3x^2 + 2)

= 5(x^2 + 1)(x^2 + 2)

etc

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