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OpenStudy (anonymous):
What is the solution set of 7x 2 + 3x = 0? {0, 3/7} {0, -3/7} {0, -4/7}
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OpenStudy (anonymous):
Think about it this way: we have a sum and a square. Something has to be negative to yield 0. So, we are left with the last two. Now plug in -3/7 and test it.
OpenStudy (anonymous):
yess
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