August 2018 2 12 Report
Rozwiąż równiania kwadratowe: Proszę o rozwiązanie krok po kroku.
a) (x-2)^2-4=0

b) x^2-9x+14=0

c) (2x+3)^2-9=0

d) 10x^2+3x+10=0

e) 25-9(x-1)^2=0

f) 3x^2+5x-2=0

g) (5x-3)(x-1)+2x(x-1)=0

h)(x+3)(2x+1)+(x+3)(4-5x)=0

i) (x-3)^2+(x+1)^2=x+14
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