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5 votes
The solution set for 7q^2-28=0

User JohannesB
by
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1 Answer

3 votes
7q² - 28 = 0
+ 28 + 28
7q² = 28
7 7
q² = 4
q = ±4
q = 4 or q = -4

Solution Set: {±4} and q
User Taha Malik
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