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19-07-2017
Mathematics

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find all real numbers x such as 4x-9-1 -x+5>4

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edwinjr888 edwinjr888

19-07-2017

Find all real numbers x such as 4x-9-1 -x+5>4
4x-x-5>4
add 5 on both sides...
3x>9
divide by 3 on both sides...
ANSWER: x>3

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Complete by solving the square: 2x^2−9x+9=0