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29 December, 11:51

Subtract: 3x 2 - 7x 4 from 5x 2 - 3x 8.

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  1. 29 December, 13:34
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    (3x² - 7x⁴) from (5x² - 3x⁸)

    = 5x² - 3x⁸ - (3x² - 7x ⁴)

    = 5x² - 3x⁸ - 3x² + 7x ⁴

    = - 3x⁸ + 7x⁴ + 5x² - 3x²

    = - 3x ⁸ + 7x⁴ + 2x ²
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