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7(x+1)8x=-23
We move all terms to the left:
7(x+1)8x-(-23)=0
We add all the numbers together, and all the variables
7(x+1)8x+23=0
We multiply parentheses
56x^2+56x+23=0
a = 56; b = 56; c = +23;
Δ = b2-4ac
Δ = 562-4·56·23
Δ = -2016
Delta is less than zero, so there is no solution for the equation
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