(x-2.1)*(x-9.0)*(x-8.9)=0

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Solution for (x-2.1)*(x-9.0)*(x-8.9)=0 equation: 



(x-2.1)(x-9.0)(x-8.9)=0

We add all the numbers together, and all the variables

(x-2.1)(x-9)(x-8.9)=0

We multiply parentheses ..

(+x^2-9x-2.1x+18.9)(x-8.9)=0

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