feelinunlucky feelinunlucky

21-10-2021
Mathematics

contestada

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Which expression is equivalent to 9x – (x - 3)(x + 1) + 10x?

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samanthaluckey2024 samanthaluckey2024

21-10-2021

Answer:

-x2+21x+3

Step-by-step explanation:

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Аноним Аноним

05-12-2021

[tex]\\ \sf\longmapsto 9x-(x-3)(x+1)+10x[/tex]

[tex]\\ \sf\longmapsto 9x-(x^2-2x-3)+10x[/tex]

[tex]\\ \sf\longmapsto 9x-x^2+2x+3+10x[/tex]

[tex]\\ \sf\longmapsto 9x+2x+10x-x^2+3[/tex]

[tex]\\ \sf\longmapsto 21x-x^2+3[/tex]

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