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-2x(3+5x)=14
We move all terms to the left:
-2x(3+5x)-(14)=0
We add all the numbers together, and all the variables
-2x(5x+3)-14=0
We multiply parentheses
-10x^2-6x-14=0
a = -10; b = -6; c = -14;
Δ = b2-4ac
Δ = -62-4·(-10)·(-14)
Δ = -524
Delta is less than zero, so there is no solution for the equation
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