What is expand (3x^{1/4}+2)(3x^{1/4}-2) ?

The solution to expand (3x^{1/4}+2)(3x^{1/4}-2) is 9x^{1/2}-4

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expand (3x^{1/4}+2)(3x^{1/4}-2)

expand

(3 x^{\frac{1}{4}} + 2) (3 x^{\frac{1}{4}} - 2)

9 x^{\frac{1}{2}} - 4

Solution steps

(3 x^{\frac{1}{4}} + 2) (3 x^{\frac{1}{4}} - 2)

Apply Difference of Two Squares

(3 x^{\frac{1}{4}} + 2) (3 x^{\frac{1}{4}} - 2) : 9 x^{\frac{1}{2}} - 4

= 9 x^{\frac{1}{2}} - 4

- 2 x y - x^{2} + y^{2} - \frac{2 ( x - y )}{2}

\frac{3}{( 2 x + 1 ) ^{2}}

a (- 3, - 9)

e^{z} (sin (z) + cos (z))

(1 + \frac{1}{x}) (1 - \frac{1}{1 - x ^{2}})

What is expand (3x^{1/4}+2)(3x^{1/4}-2) ?
The solution to expand (3x^{1/4}+2)(3x^{1/4}-2) is 9x^{1/2}-4