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Popular >

expand x(x^2-4)

Solution

expand

x (x^{2} - 4)

Solution

x^{3} - 4 x

Solution steps

x (x^{2} - 4)

Apply the distributive law:

a (b - c) = ab - a c

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

= x x^{2} - x \cdot 4

Simplify

x x^{2} - x \cdot 4 : x^{3} - 4 x

= x^{3} - 4 x

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Frequently Asked Questions (FAQ)

What is expand x(x^2-4) ?
The solution to expand x(x^2-4) is x^3-4x