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Popular >

expand (sqrt(8)-2)^2

Solution

expand

(8 - 2)^{2}

Solution

12 - 82

+1

Decimal Notation

0.68629 \dots

Solution steps

(8 - 2)^{2}

Apply Perfect Square Formula:

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

(8 - 2)^{2} = (8)^{2} - 28 \cdot 2 + 2^{2}

= (8)^{2} - 28 \cdot 2 + 2^{2}

(8)^{2} - 28 \cdot 2 + 2^{2} = 12 - 82

= 12 - 82

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Frequently Asked Questions (FAQ)

What is expand (sqrt(8)-2)^2 ?
The solution to expand (sqrt(8)-2)^2 is 12-8sqrt(2)