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  • 12-03-2018
  • Mathematics
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if x2 = 49 the only possible answer for x is 7

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zrh2sfo
zrh2sfo zrh2sfo
  • 12-03-2018
Solve for x over the real numbers:
x^2 = 49

Take the square root of both sides:
Answer:  x = 7 or x = -7
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