Find X values for sqr15x^2 - 5sqr3x + 3sqr5x - 15=0

Quadratic equations and inequalities, variation equations, function notation, systems of equations, etc.

Find X values for sqr15x^2 - 5sqr3x + 3sqr5x - 15=0

Postby Nily on Sun Mar 15, 2009 12:25 pm

would you help me ton solve this equation please??
sqr15x^2-5sqr3x+3sqr5x-15=0
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Postby stapel_eliz on Sun Mar 15, 2009 1:13 pm

Nily wrote:sqr15x^2-5sqr3x+3sqr5x-15=0

Your formatting is ambiguous. Do you mean any of the following?

. . . . .a) sqrt[15] x^2 - 5 sqrt[3] x + 3 sqrt[5] x - 15 = 0

. . . . .

. . . . .b) sqrt[15 x^2] - 5 sqrt[3 x] + 3 sqrt[5 x] - 15 = 0

. . . . .

. . . . .c) sqrt[15 x^2] - 5th-rt[3 x] + cbrt[5 x] - 15 = 0

. . . . .

Or something else?

When you reply, please include a clear listing of your steps and reasoning so far, so we can "see" where you are getting stuck. Thank you! :D
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