How do you solve a problem that looks like this: 11x^4 + 8x^3 - 2x^2 + 39 ?

Question

anonymous · Answer

ok
let me start from the beggining

anonymous · Answer

$$11x ^{4}+8x ^{3}-2x ^{2}39$$

anonymous · Answer

oh, damn, i gota go eat, my mom is calling.... sorry

anonymous · Answer

ok...just answer it later I guess

anonymous · Answer

This problem has no solution

anonymous · Answer

it's not that problem I'm trying to solve, just asking how to solve a problem like it. like how I isolate the variables

anonymous · Answer

There is no specific rule

anonymous · Answer

you want to simplify?

anonymous · Answer

There is one rule of finding the discriminant. But I am not sure if they are within the scope of your syllabus

anonymous · Answer

sstarica, what I'm trying to do is solve for x.

amistre64 · Answer

11x^4 + 8x^3 - 2x^2 + 39; does it equal 0?  otherwise it can be any number..  Lets assume that to solve for the "roots" of this equation we are making it equal to zero..

factor out an x^2 from the first 3 terms:

(x^2)(11x^2 + 8x - 2) + 39 = 0

factor the quadratic:

11x^2 + 8x - 2

sqrt(64 - (4)(-2)(11)) = sqrt(64+88) = (-8/22) +- (sqrt(152)/22)

x= (-4/11) + sqrt(152)/22    or    (-4/11) - sqrt(152)/22

possibly :)

amistre64 · Answer

or at least thats as far as I got... gotta take into account the +39 and the x^2 stuff

amistre64 · Answer

could try grouping and see if it works it out....