Ответ:
2x – 3) х (4х + 5) - 8 х 2 = 7
8x+10x - 12х - 15 - 16=7
8x - 2x – 31 = 7
8х2 - 2x – 31-7= 0
8x - 2х - 38 = 0
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Ответ:
2x – 3) х (4х + 5) - 8 х 2 = 7
8x+10x - 12х - 15 - 16=7
8x - 2x – 31 = 7
8х2 - 2x – 31-7= 0
8x - 2х - 38 = 0