(x+1.6)(x+0.2)(x+9)=0
(x+1.6)=0
(x+0.2)=0
(x+9)=0
x₁=-1.6
x₂=-0.2
x₃=-9
(x-7)(x+3)(x-4)=0
(x-7)=0
(x+3)=0
(x-4)=0
x₁=7
x₂=-3
x₃=4
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Answers & Comments
(x+1.6)(x+0.2)(x+9)=0
(x+1.6)=0
(x+0.2)=0
(x+9)=0
x₁=-1.6
x₂=-0.2
x₃=-9
(x-7)(x+3)(x-4)=0
(x-7)=0
(x+3)=0
(x-4)=0
x₁=7
x₂=-3
x₃=4