5x-3x(x-4)+2(x-5)=30

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Solution for 5x-3x(x-4)+2(x-5)=30 equation: 



5x-3x(x-4)+2(x-5)=30

We move all terms to the left:

5x-3x(x-4)+2(x-5)-(30)=0

We multiply parentheses

-3x^2+5x+12x+2x-10-30=0

We add all the numbers together, and all the variables

-3x^2+19x-40=0

a = -3; b = 19; c = -40;
Δ = b2-4ac
Δ = 192-4·(-3)·(-40)
Δ = -119
Delta is less than zero, so there is no solution for the equation

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