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Popular >

expand (4-sqrt(x))^2

Solution

expand

(4 - x)^{2}

Solution

16 - 8 x + x

Solution steps

(4 - x)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

4^{2} - 2 \cdot 4 x + (x)^{2} : 16 - 8 x + x

= 16 - 8 x + x

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Frequently Asked Questions (FAQ)

What is expand (4-sqrt(x))^2 ?
The solution to expand (4-sqrt(x))^2 is 16-8sqrt(x)+x