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

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



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

We move all terms to the left:

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

We use the square of the difference formula

x^2-(2x-9)-4=0

We get rid of parentheses

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

We add all the numbers together, and all the variables

x^2-2x+5=0

a = 1; b = -2; c = +5;
Δ = b2-4ac
Δ = -22-4·1·5
Δ = -16
Delta is less than zero, so there is no solution for the equation

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