Absolute warmup

Algebra Level pending

Find the value of x x such that

x 2 4 x 0 ; and 3 x x 2 = 0 |x-2| - |4-x| \geq 0 \text{; and}\\ 3x-x^2 = 0


The answer is 3.

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2 solutions

Rex Holmes
Aug 9, 2016

3x must equal x^2 so the answer must be 3

Ku John
Aug 4, 2016

3x=x^2, thus 3*3=3^2.

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