SOLUTION: Solve {{{ 6x^4-19x^2+15=0 }}}

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve {{{ 6x^4-19x^2+15=0 }}}      Log On


   



Question 358561: Solve
+6x%5E4-19x%5E2%2B15=0+

Found 2 solutions by Alan3354, Fombitz:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
+6x%5E4-19x%5E2%2B15=0+
2x%5E2+-+3%29%2A%283x%5E2+-+5%29+=+0
2x^2 = 3
--------
3x^2 = 5
--------
Can you finish it?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
+6x%5E4-19x%5E2%2B15=0+
%283x%5E2-5%29%282x%5E2-3%29=0
Four solutions:
3x%5E2-5=0
3x%5E2=5
x%5E2=5%2F3
x=0+%2B-+sqrt%285%2F3%29
highlight%28x=0+%2B-+sqrt%2815%29%2F3%29
.
.
.
2x%5E2-3=0
2x%5E2=3
x%5E2=3%2F2
x=0+%2B-+sqrt%283%2F2%29
highlight%28x=0+%2B-+sqrt%286%29%2F2%29