Question
Solve the following quadratic equation by using formula method:
$5 m^2+5 m=1$
$5 m^2+5 m=1$
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Class interval
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$0-10$
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$10-20$
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$20-30$
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$30-40$
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$40-50$
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Total
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Frequency
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$8$
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$16$
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$36$
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$34$
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$6$
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$100$
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