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Popular >

expand (4x-2y)^2

Solution

expand

(4 x - 2 y)^{2}

Solution

16 x^{2} - 16 x y + 4 y^{2}

Solution steps

(4 x - 2 y)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

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

= 16 x^{2} - 16 x y + 4 y^{2}

Popular Examples

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x^{3} - 5 x^{2} - 8 x + 12

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\frac{100}{4 x ^{2}}

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\frac{3}{4} + \frac{5}{2}

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m + 2 m

join 1/2+(sqrt(3))/2 i join

\frac{1}{2} + \frac{3}{2} i

Frequently Asked Questions (FAQ)

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