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8(1+2x)7x=-153
We move all terms to the left:
8(1+2x)7x-(-153)=0
We add all the numbers together, and all the variables
8(2x+1)7x-(-153)=0
We add all the numbers together, and all the variables
8(2x+1)7x+153=0
We multiply parentheses
112x^2+56x+153=0
a = 112; b = 56; c = +153;
Δ = b2-4ac
Δ = 562-4·112·153
Δ = -65408
Delta is less than zero, so there is no solution for the equation
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