Question

What are all the zeroes of the function (4x^2+9)(4x^2-9)=0

Answer 1

x=1.5,-1.5

Explanation:

16x^4=81

x^4=5.0625

x=
`\sqrt[4\\]{5.0625}` => x = 1.5,-1.5

Answer 2

3/2 and 3/2i

Explanation:

Got it correct on edge