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Popular >

expand (2xi)^2

Solution

expand

(2 x i)^{2}

Solution

- 4 x^{2}

Solution steps

(2 x i)^{2}

Apply exponent rule:

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

= 2^{2} i^{2} x^{2}

2^{2} = 4

= 4 i^{2} x^{2}

i^{2} = - 1

= 4 (- 1) x^{2}

Simplify

= - 4 x^{2}

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Frequently Asked Questions (FAQ)

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