Question

please answer it with solution​

Answer 1

2/3x² + x + 1 + 3/7 x² + 1/4 * x + 5

14x² + 9x² / 21x² + 4 x + x/4 + 6

23x²/21x² + 5 x/4 + 6

1.095 x² + 1.25 x + 6

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Answer 2

$\frac{2}{3} x {}^{2} + x + 1 \\ multiply \: by \: 3 \\ 2x {}^{2} + 3x + 3$

$\frac{3}{7} x {}^{2} + \frac{1}{4} x + 5 \\ multiply \: by \: 7 \\ 3x {}^{2} + \frac{7}{4} + 35 \\ now \: multiply \: by \: 4 \\ 12 x {}^{2} + 7x + 140$$now \: add \: it \: \\ 2x {}^{2} + 3x + 3 + 12x {}^{2} + 7x + 140 = \\ 14x {}^{2} + 10x + 143$therefore the answer is $14x {}^{2} + 10x + 143$

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