Question

Solve for a.

(Sq root) of 5a + 2 - (Sq root) of 7a - 8 = 0

What is the root?

A. -5
B. 5/6
C. 5
D. None

Answer 1

The problem is \(\normalsize\color{dark grey}{ \sqrt{5a + 2}-\sqrt{7a - 8} }\) ?

Answer 2

If so, I don't think I can simplify it any more. \(\Large\color{blue}{ ☹ }\)

Answer 3

Do you mind if I post some instructions ?

Answer 4

reply please, say something @Kzar, don't hesitate !

Answer 5

I'm sorry, my phone wasn't cooperating with the site and I could not post a reply. Instructions would be great. It would help more in the long run. @SolomonZelman

Answer 6

Okay, hold...

Answer 7

   
\(\large\color{ blue }{\large {\bbox[5pt, cyan ,border:2px solid white ]{ \rm I~ }}}\)\(\large\color{ cyan }{\large {\bbox[5pt, green ,border:2px solid white ]{ \rm N }}}\)\(\large\color{ green }{\large {\bbox[5pt, red ,border:2px solid white ]{ \rm S }}}\)\(\large\color{ red }{\large {\bbox[5pt, purple ,border:2px solid white ]{ \rm T}}}\)\(\large\color{ purple }{\large {\bbox[5pt, yellow ,border:2px solid white ]{ \rm R}}}\)\(\large\color{ yellow }{\large {\bbox[5pt, magenta ,border:2px solid white ]{ \rm U}}}\)\(\large\color{ magenta }{\large {\bbox[5pt, teal ,border:2px solid white ]{ \rm C}}}\)\(\large\color{ teal }{\large {\bbox[5pt, brown ,border:2px solid white ]{ \rm T}}}\)\(\large\color{ brown}{\large {\bbox[5pt, goldenrod ,border:2px solid white ]{ \rm I~}}}\)\(\large\color{ goldenrod}{\large {\bbox[5pt, midnightblue ,border:2px solid white ]{ \rm O}}}\)\(\large\color{ midnightblue}{\large {\bbox[5pt, lightgreen ,border:2px solid white ]{ \rm N}}}\)\(\large\color{ lightgreen}{\large {\bbox[5pt, blue ,border:2px solid white ]{ \rm S}}}\)

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\(\normalsize\color{black}{\rm { 1) } }\) clicking on the user's name
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typing something in testimonial box.\(\normalsize\color{black}{\rm { ~) } }\)


\(\normalsize\color{blue}{\rm {You~~~can~~~mention~~~someone~~~in~~~your~~~question} }\) (or in any other question) by writing @ in front of their name, just like I would mention you... LOOK ! .... @SolomonZelman (they would get a notification that a user mentioned them in a reply)


\(\normalsize\color{blue}{\rm {You~~~can~~~ message~~~someone~~~by:} }\)
\(\normalsize\color{black}{\rm { 1) } }\) clicking on the someone's username
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Clicking on the user's username, and below his
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\(\normalsize\color{blue}{\rm {You~~~can~~~ see~~~if~~~a~~~user~~~is~~~offline~~~by} }\)
Clicking on the user's username, and below his
picture you will see (in light blue) “offline”, “online” or you might see that he is viewing or replying to a specific question. You might as well see that he is just looking around in a specific section.

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Answer 8

excuse the long reply