0,2(x+4)(0,5x-6)=0,4x-7,8

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Solution for 0,2(x+4)(0,5x-6)=0,4x-7,8 equation: 



0.2(x+4)(0.5x-6)=0.4x-7.8

We move all terms to the left:

0.2(x+4)(0.5x-6)-(0.4x-7.8)=0

We get rid of parentheses

0.2(x+4)(0.5x-6)-0.4x+7.8=0

We multiply parentheses ..

0.2(+0x^2-6x+0x-24)-0.4x+7.8=0

We multiply parentheses

0x^2-1.2x+0x-0.4x-4.8+7.8=0

We add all the numbers together, and all the variables

x^2-0.6x+3=0

a = 1; b = -0.6; c = +3;
Δ = b2-4ac
Δ = -0.62-4·1·3
Δ = -11.64
Delta is less than zero, so there is no solution for the equation

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