September 2018 1 28 Report

Rozwiaz rownania i nierownosci kwadratowe:

a) -2x^{2}+3x-1=0

b) 5(x+1){2}=12x+4

c) 2x{2}+4x+4>0

d) x{2}-2x-3mniejsze lub rowne0

Prosze o szczegolowe rozwiazanie (rozpisanie rownan)


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