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c-5-7-5-2-5-Intead-of-5-what-else-could-be-there-




Question Number 76880 by ajfour last updated on 31/Dec/19
(((c/5)−7)/5) −2= 5  Intead of 5 what else could be  there?
$$\frac{\frac{{c}}{\mathrm{5}}−\mathrm{7}}{\mathrm{5}}\:−\mathrm{2}=\:\mathrm{5} \\ $$$${Intead}\:{of}\:\mathrm{5}\:{what}\:{else}\:{could}\:{be} \\ $$$${there}? \\ $$
Commented by MJS last updated on 31/Dec/19
you mean (((c/x)−7)/x)−2=x ?  this leads to c=(x^2 +2x+7)x  ⇒ x∈C\{0}
$$\mathrm{you}\:\mathrm{mean}\:\frac{\frac{{c}}{{x}}−\mathrm{7}}{{x}}−\mathrm{2}={x}\:? \\ $$$$\mathrm{this}\:\mathrm{leads}\:\mathrm{to}\:{c}=\left({x}^{\mathrm{2}} +\mathrm{2}{x}+\mathrm{7}\right){x} \\ $$$$\Rightarrow\:{x}\in\mathbb{C}\backslash\left\{\mathrm{0}\right\} \\ $$
Commented by ajfour last updated on 31/Dec/19
Thanks sir.  ....
$${Thanks}\:{sir}. \\ $$$$…. \\ $$

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