Question

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Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$\frac{1}{x + 1} + \frac{1}{x + 2} = \frac{2}{x + 10}$

$\frac{x + 2 + x + 1}{(x + 2)(x + 1)} = \frac{2}{x + 10}$

$\frac{2x + 3}{ {x}^{2} + 3x + 2} = \frac{2}{x+ 10}$

$(2x + 3)(x + 10) = 2( {x}^{2} + 3x + 2)$

$2 {x}^{2} + 23x + 30 = 2 {x}^{2} + 6x + 4$

$23x + 30= 6x + 4$

$23x - 6x = 4 - 30$

$17x = - 26$

$x = \frac{ - 26}{17}$