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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses ..

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

We get rid of parentheses

4x^2+2x+2x+1+9=0

We add all the numbers together, and all the variables

4x^2+4x+10=0

a = 4; b = 4; c = +10;
Δ = b2-4ac
Δ = 42-4·4·10
Δ = -144
Delta is less than zero, so there is no solution for the equation

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