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andrezito [222]
3 years ago
13

Which set is the solution set for 3x^2-78=114

Mathematics
1 answer:
velikii [3]3 years ago
4 0
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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