Description
21). Use the quadratic formula to solve. 0.3x2=1.2x+0.3
A. The solution set is { }.
Or
B. The solution is ∅.
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Explanation & Answer
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0.3x^2-1.2x-0.3=0
x = [1.2+-sqrt(1.44+0.36)]/0.6
=[1.2+-sqrt(1.8)]/.6 =4.236
or
x = -0.236
the solution set is {4.236,-0.236}
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