Question

find all solutions for the equation (or inequality),find all real solutions of the equation.
t^6+t^3-2=0

Answer 1

let t^3 = x so t^6 = x^2

x^2 + x -2 =0
factor.. (x+2)(x-1) =0
so x= -2 x= 1 but x= t^3
so t= cuberoot of -2 and t = 1

Answer 2

thank you