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...
