Answer:
3(5x2+2x-4)-x7x2+2x-3)
15 x 6 + 6x -12 - x7 + x2 + 2x -3
90 + 6x - 12 - x7 + x2 + 2x -3
(6x + 2x) (+90 - 12 - 3) (-x7 + x2)
8x + 75 - x5
Answer: -7x3 + 13x2 + 9x - 12
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