What substitution should be used to rewrite x8 - 3x4 + 2 = 0 as a quadratic equation?u = x2u = x4u = x8u = x16

What substitution should be used to rewrite x8 - 3x4 + 2 = 0 as a quad

1.	What substitution should be used to rewrite x8 - 3x4 + 2 = 0 as a quadratic equation?u = x2u = x4u = x8u = x16
Answer» What substitution should be used to rewrite x⁸ - 3x⁴ + 2 = 0 as a quadratic equation?u = x²u = x⁴u = x⁸u = x¹⁶ Solution: