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Directions: Simplify each equation by factoring. Simplify all complex and irrational solutions.

1. 2x^4=9x^2

2. 8x^3-125=0

3. x^4-16x^2=x^2+18

4. 2x^3-5x^2+40x-100=0


Please help! I have over 40 of these questions and I'm getting really confused. Please show work because I need to understand these. Thanks!!


EDIT: Just got these and a couple others done. Don't need help with this anymore...

 Feb 20, 2019
edited by Guest  Feb 20, 2019

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