Ответы на вопрос:
1) x(6-3x)=0 [x=0 [x=0 [-3x=-6 [x=2 2) x(3x-12)=0 [x = 0 [x=0 [3x = 12 [x=4 3) y(7y+1)=0 [y=0 [y = 0 [7y = -1 [y = -(1/7) 4) y(4-y)=0 [y = 0 [y = 4
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