X to the power of 2+ 2X plus 3X to the power of 2+ 4X subtract 2X to the power of 2+ X

1 answer:

8 0

Answer:

4x+12

Step-by-step explanation:

$2x + 2 \times { }^{2} + 6x + 12 x ^{2} - 4x + - 2x ^{2}$

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