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13-07-2016
Mathematics

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

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olemakpadu olemakpadu

13-07-2016

(3x² -7x⁴) from (5x² - 3x⁸)

= 5x² - 3x⁸ - (3x² -7x⁴ )

=  5x² - 3x⁸ - 3x² + 7x⁴

= - 3x⁸ + 7x⁴ +  5x² - 3x²

= - 3x⁸ + 7x⁴ +  2x²

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