Factor 7x^2-21x - MathMaster

$7 x^{2} - 21 x$

Factor $7 x$ out of $7 x^{2}$ .

$7 x (x) - 21 x$

Factor $7 x$ out of $- 21 x$ .

$7 x (x) + 7 x (- 3)$

Factor $7 x$ out of $7 x (x) + 7 x (- 3)$ .

$7 x (x - 3)$

Factor 7x^2-21x

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