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Mathematics, 23.04.2020 16:31 originalbeast6p2799m

Subtract 7x^2+4x-9 from 5x^2+10x. Express the result as a trinomial in descending degree order

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Subtract 7x^2+4x-9 from 5x^2+10x. Express the result as a trinomial in descending degree order...
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