√x2 + 1 + √x2 – 2x + 3 = 3
│ x-4 │ - │ 2–0,5x│ ≤ 3
│5- x2-6 │= x2-5x-6
x2-2x+3 : x2-4x+3 > -2
I'm so fail at math soo..would someone please help me ? :)
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√x2 + 1 + √x2 – 2x + 3 = 3
│ x-4 │ - │ 2–0,5x│ ≤ 3
│5- x2-6 │= x2-5x-6
x2-2x+3 : x2-4x+3 > -2
I'm so fail at math soo..would someone please help me ? :)
For the first one, do you mean?
You need to get rid of the mods here. You can get rid of it by establishing case analysis.Quote:
│ x-4 │ - │ 2–0,5x│ ≤ 3
The other one can be done in a similar way.