Respuesta :

Combine like terms.

[tex]2 {x}^{2} + 8 {x}^{2} = 10 {x}^{2} [/tex]

[tex]x + 7x = 8x[/tex]

[tex]4 + ( - 3) = 1[/tex]

So, the answer would be

[tex]10 {x}^{2} + 8x + 1[/tex]

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