SOLUTION: Solve for the roots in the following equation. Hint: Factor both quadratic expressions. (x^4 + 5x^2 - 36)(2x^2 + 9x - 5) = 0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve for the roots in the following equation. Hint: Factor both quadratic expressions. (x^4 + 5x^2 - 36)(2x^2 + 9x - 5) = 0       Log On


   

Question 947973: Solve for the roots in the following equation. Hint: Factor both quadratic expressions.
(x^4 + 5x^2 - 36)(2x^2 + 9x - 5) = 0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%5E4+%2B+5x%5E2+-+36%29%282x%5E2+%2B+9x+-+5%29+=+0
%28x-2%29%28x%2B2%29%28x%5E2%2B9%29%28x%2B5%29%282x-1%29+=+0
So then the roots are,
x=2
x=-2
x=3i
x=-3i
x=5
x=1%2F2