motorxr92155
Answered

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will mark brianliest please help

Will Mark Brianliest Please Help class=

Sagot :

jcherry99

Answer:

See below.

Step-by-step explanation:

7x^2 = 343                     Divide both sides by 7

7x^2/7 = 343/7

x^2 = 49                         Take the square root of both sides.

sqrt(x^2) = sqrt(49)

x = +/- 7

Answers

  • 7
  • - 7
  • sqrt(49)
  • - sqrt(49)

I think the last two are kind of iffy. I'm not sure you can call them solutions, but the question probably assumes they are. If you use all four answers and get it wrong, them submit +7 and - 7.  

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