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(X-4)(2X-4)=X-164
We move all terms to the left:
(X-4)(2X-4)-(X-164)=0
We get rid of parentheses
(X-4)(2X-4)-X+164=0
We multiply parentheses ..
(+2X^2-4X-8X+16)-X+164=0
We add all the numbers together, and all the variables
(+2X^2-4X-8X+16)-1X+164=0
We get rid of parentheses
2X^2-4X-8X-1X+16+164=0
We add all the numbers together, and all the variables
2X^2-13X+180=0
a = 2; b = -13; c = +180;
Δ = b2-4ac
Δ = -132-4·2·180
Δ = -1271
Delta is less than zero, so there is no solution for the equation
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