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4X kwadrat - 6X +5X -4X kwadrat -8X + 49 = 4X - 1
4X(kwadrat) sie redukuje i zostaje ci
- 6X +5X -8X + 49 = 4X - 1
- 6X +5X -8X - 4x = - 1 - 49
-13X = 50
X = 0.02