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Popular >

expand (2x-8)^2

Solution

expand

(2 x - 8)^{2}

Solution

4 x^{2} - 32 x + 64

Solution steps

(2 x - 8)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

(2 x)^{2} - 2 \cdot 2 x \cdot 8 + 8^{2} : 4 x^{2} - 32 x + 64

= 4 x^{2} - 32 x + 64

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Frequently Asked Questions (FAQ)

What is expand (2x-8)^2 ?
The solution to expand (2x-8)^2 is 4x^2-32x+64