(30-x)2+X.4=100

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Solution for (30-x)2+X.4=100 equation: 



(30-x)2+x.4=100

We move all terms to the left:

(30-x)2+x.4-(100)=0

We add all the numbers together, and all the variables

(-1x+30)2+x.4-100=0

We multiply parentheses

-2x+x.4+60-100=0

We add all the numbers together, and all the variables

-2x+x.4-40=0

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

-2x+x.4=40

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