(2x+1)(x+2)=-3

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Solution for (2x+1)(x+2)=-3 equation: 



(2x+1)(x+2)=-3

We move all terms to the left:

(2x+1)(x+2)-(-3)=0

We add all the numbers together, and all the variables

(2x+1)(x+2)+3=0

We multiply parentheses ..

(+2x^2+4x+x+2)+3=0

We get rid of parentheses

2x^2+4x+x+2+3=0

We add all the numbers together, and all the variables

2x^2+5x+5=0

a = 2; b = 5; c = +5;
Δ = b2-4ac
Δ = 52-4·2·5
Δ = -15
Delta is less than zero, so there is no solution for the equation

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