1. |2x+3| = 42x + 3 = 4 2x=1 /:2 x = 0,5
lub
2x+3=-4
2x=-7/:2
x=-3,5
2. |5-3x| = 3 5-3x = 3
-3x=3-5
-3x=-2/:(-3)
x=2/3
5-3x = -3
-3x=-3-5
-3x=-8/:(-3)
x=8/3
3. (x+8)(x-1) = 0 (x+8)=0 v (x-1)=0
x=-8 v x=1
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1. |2x+3| = 4
2x + 3 = 4
2x=1 /:2
x = 0,5
lub
2x+3=-4
2x=-7/:2
x=-3,5
2. |5-3x| = 3
5-3x = 3
-3x=3-5
-3x=-2/:(-3)
x=2/3
lub
5-3x = -3
-3x=-3-5
-3x=-8/:(-3)
x=8/3
3. (x+8)(x-1) = 0
(x+8)=0 v (x-1)=0
x=-8 v x=1