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20-03-2020
Mathematics

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(2x^2+7+10)-(x^2+2x-9)

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Аноним Аноним

20-03-2020

Step-by-step explanation:

[tex]2 {x}^{2} + 7 + 10 - ( {x}^{2} + 2x - 9) \\ 2 {x}^{2} + 7 + 10 - {x }^{2} - 2x + 9 \\ {x}^{2} - 2x + 26[/tex]

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