(7x-1)(1+7x)-x(49x-3)=6

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Solution for (7x-1)(1+7x)-x(49x-3)=6 equation: 



(7x-1)(1+7x)-x(49x-3)=6

We move all terms to the left:

(7x-1)(1+7x)-x(49x-3)-(6)=0

We add all the numbers together, and all the variables

(7x-1)(7x+1)-x(49x-3)-6=0

We use the square of the difference formula

49x^2-x(49x-3)-1-6=0

We multiply parentheses

49x^2-49x^2+3x-1-6=0

We add all the numbers together, and all the variables

3x-7=0

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

3x=7

x=7/3

x=2+1/3

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