his is just like the other one: Let u=y-1/y and you have
u^2 + 6u -27 = 0
(u+9)(u-3) = 0
(y - 10/y + 9)(y - 10/y - 3) = 0
(y^2 + 9y - 10)(y^2 - 3y - 10) = 0
(y+10)(y-1)(y-5)(y+3) = 0
PreCal - Solve for x. -3x^2+8=-4
precal - solve for x: (x^2-2x)^2 -11(x^2-2x)+24
PreCal - Solve The Inequality 0 < -9x/x-x^2
precal - solve by subsituting 5x+4y=7 x-3y=9
precal 2 - solve the equation 4cos^2x-1=0
precal - How do you solve: sin[arccos(-2/7)] ?
PreCal - Solve Using Log Properties: 1/4 = 8^3x+5
Precal - Solve the exponential equation algebraically 5^(-t/2) = 0.20
PreCal - I'm suppose to solve log(3)-27=x I get 3^x=-27 I can't go any father ...
precal 2 - use the law of cosines to solve the triangle a=55, c=72, b=25