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

Question

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

Answer 1

X^2 - 4 - ( x^2 - 6x + 9) = - 1
x^2 - 4 - x^2 + 6x - 9 + 1 = 0
6x - 4 - 8 = 0
6x = 12
x = 2

Comments

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Answer 2

(x-2)(x+2)-(x-3)^2=-1
x^2-4-x^2+6x-9+1=0
6x-12=0
6x=12
x=2