x^2 - 5x, x^2

(The least common multiple is ?)

x^2 - 5x, x^2

(The least common multiple is ?)

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The factors of x^{2} - 5x are x and x - 5

The factors of x^{2} are x and x

Since x is a common factor we need to multiply it by the non-common factors (x -5 in the first expression and x in the second)

(x - 5)*x*x

x^{3} - 5x^{2}