(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Solve the inequation [tex](x^2+3x+1)(x^2+3x-3)\ge 5[/tex]

3. The attempt at a solution

on opening the brackets i got

[tex]x^2(x^2+3x-3)+3x(x^2+3x-3)+1(x^2+3x-3)\ge 5[/tex]

[tex]x^4+3x^3-3x^2+3x^3+9x^2-9x+x^2+3x-3-5\ge 0[/tex]

[tex]x^4+6x^3+7x^2-6x-8\ge 0[/tex]

am i right??

after that what should i do??

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Solve the inequality

**Physics Forums | Science Articles, Homework Help, Discussion**