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6x(x)-8>2x(3x-4)

Ralfonzo

by Ralfonzo at September 02, 2010

How do you solve this inequality?

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distribute: 6x^2 - 8 > 6x^2 - 8x subtract 6x^2: 6x^2 - 6x^2 -8 > -8x -8 > -8x divide by negative 8 to get x by itself: remember to flip the inequality sign because you're dividing by a negative 1 <  x ...or you can write it as x > 1  

student_ofournine student_ofournine September 02, 2010

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6x^2-8 > 6x^2 - 8x-8 > -8x1 > xAll values of x must be less than 1 for the inequality to work.

yankeekid yankeekid September 02, 2010

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6x^2-8>6x^2-8xSubtract 6x^2 from both sides to get:-8>-8xDivide by negative eight and flip the inequality sign. (You do that when you divide by a negative number). x>1

zehadialam zehadialam September 02, 2010

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