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Popular >

expand (y-2x)^2

Solution

expand

(y - 2 x)^{2}

Solution

y^{2} - 4 y x + 4 x^{2}

Solution steps

(y - 2 x)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

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

= y^{2} - 4 y x + 4 x^{2}

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Frequently Asked Questions (FAQ)

What is expand (y-2x)^2 ?
The solution to expand (y-2x)^2 is y^2-4yx+4x^2