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Mathematics
14 November, 12:02
A solution of the equation x^2/4=9 is
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Ellis Lawrence
14 November, 12:30
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x = ±6
Step-by-step explanation:
x^2/4=9
Multiply by 4 on each side
x^2/4 * 4=9*4
x^2 = 36
Take the square root of each side
sqrt (x^2) = ±sqrt (36)
x = ±6
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