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(2X-1)(2X+1)=-5
We move all terms to the left:
(2X-1)(2X+1)-(-5)=0
We add all the numbers together, and all the variables
(2X-1)(2X+1)+5=0
We use the square of the difference formula
4X^2-1+5=0
We add all the numbers together, and all the variables
4X^2+4=0
a = 4; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·4·4
Δ = -64
Delta is less than zero, so there is no solution for the equation
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