2 years ago

Find the value of "x" in x² -2 = 47Thanks :)

1 answer:

7 0

$~~~~~x^2 -2 = 47\\\\\implies x^2 = 47 +2 \\\\\implies x^2 = 49\\\\\implies x = \pm\sqrt{49}\\\\\implies x = \pm 7\\\\\text{Hence, }~ x = 7,~~ x = -7$

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Step-by-step explanation:

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