Respuesta :

there is no solution to this problem

[tex]25 + {4 x }^{2} + 4 + 8x = {4x}^{2} + 9 + 12x \\ \\ = > 25 + 4 - 9 + 8x - 12x = 0 \\ \\ = > 20 - 4x = 0 \\ \\ = > 4x = 20 \\ \\ = > x = 5[/tex]
your answer is 5

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hope it will help you ☺️