What is expand (x^2-2x)(x^2+2x) ?

The solution to expand (x^2-2x)(x^2+2x) is x^4-4x^2

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expand (x^2-2x)(x^2+2x)

expand

(x^{2} - 2 x) (x^{2} + 2 x)

x^{4} - 4 x^{2}

Solution steps

(x^{2} - 2 x) (x^{2} + 2 x)

Apply Difference of Two Squares

(x^{2} - 2 x) (x^{2} + 2 x) : x^{4} - 4 x^{2}

= x^{4} - 4 x^{2}

(5 x^{3} y^{4})^{4}

- 3^{2} + 2^{2}

(- 4 x y)^{2}

(a - 4) (a^{2} + 4 a + 16)

What is expand (x^2-2x)(x^2+2x) ?
The solution to expand (x^2-2x)(x^2+2x) is x^4-4x^2