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OpenStudy (flowey15):
3x^2+7=31 3x^2=?
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OpenStudy (flowey15):
I got 4, but when o plug it in, it don't work
OpenStudy (knov):
(3x^2)+7=31 or 3x^2+7=31?
OpenStudy (flowey15):
\[3X^2+7=31\]
jhonyy9 (jhonyy9):
3x^2 +7=31 3x^2 = 31-7 3x^2 =24 x^2 = 24/3 =8 x = sqrt8 = 2sqrt2
OpenStudy (flowey15):
ohh, I did the last step wrong, lol
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OpenStudy (knov):
which is \[3x ^{2}+7=31\] \[3x ^{2}=31-7\] \[x ^{2}=24/8\] \[x=\sqrt{8}\]
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