0.4x*x+(1-x)*0.6=1.5

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Solution for 0.4x*x+(1-x)*0.6=1.5 equation: 



0.4x*x+(1-x)*0.6=1.5

We move all terms to the left:

0.4x*x+(1-x)*0.6-(1.5)=0

We add all the numbers together, and all the variables

0.4x*x+(-1x+1)*0.6-(1.5)=0

We add all the numbers together, and all the variables

0.4x*x+(-1x+1)*0.6-1.5=0

We multiply parentheses

0.4x*x-0.6x+0.6-1.5=0

We add all the numbers together, and all the variables

-0.6x+0.4x*x-0.9=0

We move all terms containing x to the left, all other terms to the right

-0.6x+0.4x*x=0.9

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