Factor x^2+3x^2-4x-12

$x^{2} + 3 x^{2} - 4 x - 12$

Step 1

Add $x^{2}$ and $3 x^{2}$ .

$4 x^{2} - 4 x - 12$

Step 2

Factor $4$ out of $4 x^{2} - 4 x - 12$ .

Factor $4$ out of $4 x^{2}$ .

$4 (x^{2}) - 4 x - 12$

Factor $4$ out of $- 4 x$ .

$4 (x^{2}) + 4 (- x) - 12$

Factor $4$ out of $- 12$ .

$4 (x^{2}) + 4 (- x) + 4 (- 3)$

Factor $4$ out of $4 (x^{2}) + 4 (- x)$ .

$4 (x^{2} - x) + 4 (- 3)$

Factor $4$ out of $4 (x^{2} - x) + 4 (- 3)$ .

$4 (x^{2} - x - 3)$

$4 (x^{2} - x - 3)$

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