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Mathematics 21 Online
OpenStudy (anonymous):

hellp me Given the equation6x^2-y=98 , find x if y = –2.

OpenStudy (anonymous):

All you have to do is take \[6x ^{2} - y =98\] and substitute the y for -2. So the problem now becomes \[6x ^{2} - (-2)=98\] solve for x

OpenStudy (anonymous):

getme the answer pleas

OpenStudy (anonymous):

Ok. But I'm going to explain it too so you can figure it out on your own later on in life. First, since you can't have to negatives, the equation becomes \[6x ^{2} + 2=98\] Subtract 2 by both sides, then divide by six, and finally find the square root. Your answer is x=4, -4

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