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Popular >

expand x(18-2x)^2

Solution

expand

x (18 - 2 x)^{2}

Solution

324 x - 72 x^{2} + 4 x^{3}

Solution steps

x (18 - 2 x)^{2}

Expand

(18 - 2 x)^{2} : 324 - 72 x + 4 x^{2}

= x (324 - 72 x + 4 x^{2})

Apply the distributive law:

m (a + b + c) = ma + mb + m c

x (324 - 72 x + 4 x^{2}) = x \cdot 324 + x (- 72 x) + x \cdot 4 x^{2}

= x \cdot 324 + x (- 72 x) + x \cdot 4 x^{2}

Simplify

x \cdot 324 + x (- 72 x) + x \cdot 4 x^{2} : 324 x - 72 x^{2} + 4 x^{3}

= 324 x - 72 x^{2} + 4 x^{3}

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Frequently Asked Questions (FAQ)

What is expand x(18-2x)^2 ?
The solution to expand x(18-2x)^2 is 324x-72x^2+4x^3