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Mathematics
Jewel Holt
24 November, 15:45
Which set is the solution set for 3x^2-78=114
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Hunter Hudson
24 November, 18:49
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3x² - 78 = 114
3x² = + 78 + 114
3x² = 192
x² = 192/3
x² = 64 and x = - + √64, x' = 8 and x" = - 8
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