Mathematics: Does x - 6 = 2 (4x + 3) have A. No solutions B. One solution C. Two solutions D. Infinite solutions

Does x - 6 = 2 (4x + 3) have A. No solutions B. One

Ответ:

nikkio4

29.06.2020

C. $\frac{ {m}^{2} - m - 2}{ {m}^{2} - 1}$

Explanation:

$\frac{ {m}^{2} - m - 2}{ {m}^{2} - 1} \\ = \frac{ {m}^{2} - 2m + m - 2 }{ {(m)}^{2} - {(1)}^{2} } \\ = \frac{ m(m - 2) + 1(m - 2)}{(m - 1)(m + 1)} \\ = \frac{(m + 1)(m - 2)}{(m - 1)(m +1) } \\ = \frac{(m - 2)}{(m - 1)}$

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Does x - 6 = 2 (4x + 3) have A. No solutions
B. One solution
C. Two solutions
D. Infinite solutions

Ответ:

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