(5x - 7) (2x + 3) (7x -8) =
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Step-by-step explanation:
= (5x-7) (2x+ 3)
= 10x^2+ x- 21 (7x-8)
= 70x^3- 80x^2+ 7x^2 - 8x + 147+ 168
= 70x^3 - 73x^2 - 8x+ 315
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