September 2018 1 20 Report

Równania kwadratowe.

Rozwiąż równania:

a)3x²-10x+3=0

b)2/3x²-1,6x=1,2

c)3/4x²-5x+8=0

d) (x-1)(x-2)=20

e) 4(x²-1)=4x-1

f) (3-x)(x-1)=(x+2)(x-1)

g) (x+3)²-(x+4)²=3x²

h) (3x+2)²=7(3x+2)

i) x²-x(2-x)=0

j) x(x-2)=3(x-2)


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