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vcasela
03.07.2019 •
Mathematics
What are the real roots of this equation? 12/x-6+x=3+8x/x-6 a) x = 6 b) x = 7.04 and x = 1.095 c) x = 15 and x = 2 d) x = 15
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Ответ:
ANSWER
The correct answer is![x=15\:or\:x=2](/tpl/images/0045/1465/7b4b4.png)
EXPLANATION
We have the equation;
We multiply through by the least common multiple, which is
.
This gives us;
We simplify to obtain;
We now expand to obtain;
We rewrite the above equation as a quadratic equation in
.
This implies that
This simplifies to;
We now split the middle term to obtain;
We factor to obtain;
Therefore the correct answer is option C
Ответ:
i dooo
Step-by-step explanation: