Use the box method to distribute and simplify (- 3x ^ 2 + 2x - 6)(- 2x - 4) .
The box is 2 rows and 2 columns replace the question marks with the numbers that should be in their place
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-3x^2 +2x -6
-2x -4
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6x^3 -4x^2 +12x
12x^2 8x
12x 8
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-6x^3 +32x^2 +20x -24