30-4x=-8x(x+1)+18

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Solution for 30-4x=-8x(x+1)+18 equation: 



30-4x=-8x(x+1)+18

We move all terms to the left:

30-4x-(-8x(x+1)+18)=0



We calculate terms in parentheses: -(-8x(x+1)+18), so:

-8x(x+1)+18

We multiply parentheses

-8x^2-8x+18

Back to the equation:

-(-8x^2-8x+18)



We get rid of parentheses

8x^2+8x-4x-18+30=0

We add all the numbers together, and all the variables

8x^2+4x+12=0

a = 8; b = 4; c = +12;
Δ = b2-4ac
Δ = 42-4·8·12
Δ = -368
Delta is less than zero, so there is no solution for the equation

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