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Popular >

expand (-2x)^2

Solution

expand

(- 2 x)^{2}

Solution

4 x^{2}

Solution steps

(- 2 x)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

if

n

is even

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

= (2 x)^{2}

Apply exponent rule:

(a \cdot b)^{n} = a^{n} b^{n}

= 2^{2} x^{2}

2^{2} = 4

= 4 x^{2}

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Frequently Asked Questions (FAQ)

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