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UsArmy3947:
Solve: x^2 = 25
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UsArmy3947:
sorry that 25 needs a negative sign... so it should be x^2 = -25
UsArmy3947:
my answer is x = 5i, -5i
UsArmy3947:
is that right?
Hero:
Looks good to me. You can always check by multiplying (5i)(5i) and (-5i)(-5i). The result of both multiplications should be -25.
UsArmy3947:
Thank you ^.^
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UsArmy3947:
Can you help me with the other questions I asked previously?
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