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OpenStudy (anonymous):
find the number of real number solutions of each equation x^2+4x=-4 x^2+8=0 3x^2-9x=-5
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OpenStudy (anonymous):
for all of them??
OpenStudy (sonyalee77):
I think that the first one is -2 im not sure though
OpenStudy (anonymous):
It"s easier if you just plug it into the graphing calculator.
OpenStudy (sonyalee77):
one is one soluton two is no solutions three is two solutions
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