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zał. 3x+2≠0 i 5x+4≠0
x≠-2/3 i x≠-4/5
2x+3/3x+2= 6x+6 / 5x+4 = 0
10x²+8x+15x+12=18x²+18x+12x+12
8x²+7x=0
x(8x+7)=0
x=0 lub x=-7/8