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Mathematics
Evelyn
3 December, 23:49
X to the 2nd power + 3=12
+4
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Erika
4 December, 02:50
0
x = ±3
Step-by-step explanation:
x^2 + 3 = 12
Subtract 3 from each side
x^2 + 3-3 = 12-3
x^2 = 9
Take the square root of each side
sqrt (x^2) = ±sqrt (9)
x = ±3
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