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Popular >

expand (X-4)^2

Solution

expand

(X - 4)^{2}

Solution

X^{2} - 8 X + 16

Solution steps

(X - 4)^{2}

Apply Perfect Square Formula:

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

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

= X^{2} - 2 X \cdot 4 + 4^{2}

Simplify

X^{2} - 2 X \cdot 4 + 4^{2} : X^{2} - 8 X + 16

= X^{2} - 8 X + 16

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Frequently Asked Questions (FAQ)

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