Уравнение!!!
2x²-72=0
2(x²-36)=0
2(x+6)(x-6)=0
x1=-6, x2=6
25x³+10x²+x=0
x(25x²+10x+1)=0
x(5x+1)(5x+1)=0
x1=0
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5x+1=0, x=-1/5
x2=-1/5