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Popular >

expand (-x^2-2)^2

Solution

expand

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

Solution

x^{4} + 4 x^{2} + 4

Solution steps

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

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(- x^{2} - 2)^{2} = (- x^{2})^{2} - 2 (- x^{2}) \cdot 2 + 2^{2}

= (- x^{2})^{2} - 2 (- x^{2}) \cdot 2 + 2^{2}

Simplify

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

= x^{4} + 4 x^{2} + 4

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Frequently Asked Questions (FAQ)

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