Simplify 2x(x-1)

$2 x (x - 1)$

Apply the distributive property.

$2 x \cdot x + 2 x \cdot - 1$

Multiply $x$ by $x$ by adding the exponents.

Move $x$ .

$2 (x \cdot x) + 2 x \cdot - 1$

Multiply $x$ by $x$ .

$2 x^{2} + 2 x \cdot - 1$

$2 x^{2} + 2 x \cdot - 1$

Multiply $- 1$ by $2$ .

$2 x^{2} - 2 x$

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