September 2018 1 21 Report

Równania kwadratowe.

Rozwiąż równania:

a) x²+8x+12=0

b) x²+6x-7=0

c)2x²+3x-35=0

d)6x²=7x=3

e)4x²=15x=4

f)3x²-4x=39

g)9x²=9x=4

h) (x-1)(2x=3)=4x²-22

i) (2x-3)²=8x


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