SOLUTION: 5x^2=80
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Question 961263
:
5x^2=80
Answer by
stanbon(75887)
(
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):
You can
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5x^2=80
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Divide thru by 5 to get:
x^2 = 16
Modify::
x^2-16 = 0
Factor:
(x-4)(x+4) = 0
Ans: x = 4 or x = -4
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Cheers,
Stan H.
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