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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We use the square of the difference formula

4x^2-1+4=0

We add all the numbers together, and all the variables

4x^2+3=0

a = 4; b = 0; c = +3;
Δ = b2-4ac
Δ = 02-4·4·3
Δ = -48
Delta is less than zero, so there is no solution for the equation

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