a class survey showed 8 out of 25 students had plans to travel over spring break. how many students out of the 400 students in t
1 answer:
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Answer:
x = ±
Step-by-step explanation:
Given
3x² - 9 = 0 ( add 9 to both sides )
3x² = 9 ( divide both sides by 3 )
x² = 3 ( take the square root of both sides )
x = ±