5.3x-2.2x(x+3)=12

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Solution for 5.3x-2.2x(x+3)=12 equation: 



5.3x-2.2x(x+3)=12

We move all terms to the left:

5.3x-2.2x(x+3)-(12)=0

We multiply parentheses

-2x^2+5.3x-6x-12=0

We add all the numbers together, and all the variables

-2x^2-0.7x-12=0

a = -2; b = -0.7; c = -12;
Δ = b2-4ac
Δ = -0.72-4·(-2)·(-12)
Δ = -95.51
Delta is less than zero, so there is no solution for the equation

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