What are the solutions of the equation x4 + 3x2 + 2 = 0? Use u substitution to solve.
X=ti and x = +1
X=tw and x =
x=and x = ti
X= +
+ V2 and x = -1

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

41/17 as a decimal rounded to the nearest hundredth

What is 140% of 25? because i need