Question 883483: Solve the quadratic equation 5x2 - 125 = 0.
A. -5
B. 5
C. ±5
D. ±25
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Solve the quadratic equation 5x2 - 125 = 0.
Factor:
5(x^2-25) = 0
x^2-25 = 0
Factor:
(x-5)(x+5) = 0
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And: x = 5 or x = -5
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Cheers,
Stan H.
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A. -5
B. 5
C. ±5
D. ±25
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