March 2019 0 33 Report
Proszę, pomóżcie!
1.Rozwiąż równania:
a) 2(x-2)²=(x+3)(x-3)-(-8x-x²-3)
b) (3x-2)²-(2x+4)²=x(5x-6)

2.Rozwiąż równania:
a) x²-8x-105=0
b) 5x²-2x+3=0
c) x²-9x+14=0
d) -8x²+2x-5=0
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