4x(-2x+1)=9

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Solution for 4x(-2x+1)=9 equation: 



4x(-2x+1)=9

We move all terms to the left:

4x(-2x+1)-(9)=0

We multiply parentheses

-8x^2+4x-9=0

a = -8; b = 4; c = -9;
Δ = b2-4ac
Δ = 42-4·(-8)·(-9)
Δ = -272
Delta is less than zero, so there is no solution for the equation

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