8x-3x(2x+5)=13

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Solution for 8x-3x(2x+5)=13 equation: 



8x-3x(2x+5)=13

We move all terms to the left:

8x-3x(2x+5)-(13)=0

We multiply parentheses

-6x^2+8x-15x-13=0

We add all the numbers together, and all the variables

-6x^2-7x-13=0

a = -6; b = -7; c = -13;
Δ = b2-4ac
Δ = -72-4·(-6)·(-13)
Δ = -263
Delta is less than zero, so there is no solution for the equation

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