Respuesta :

Answer:

SEE ABOVE ATTACHMENT.

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Answer:

[tex]7 {x}^{2} + 19x - 8 \\[/tex]

Step-by-step explanation:

[tex]2(3 {x }^{2} + 8x - 4) + x(x + 3) \\ 6 {x}^{2} + 16x - 8 + {x}^{2} + 3x \\ 6 {x}^{2} + {x}^{2} + 16x + 3x - 8 \\ 7 {x}^{2} + 19x - 8[/tex]