Question 209008
Solve by factoring. 
A^2 – 121 = 0
(A-11)(A+11) = 0
A = 11 or A = -11
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Solve by factoring. 
X^2 – 2x – 24 = 0
(x-6)(x+4) = 0
x = 6 or x = -4
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Solve by using the even-root property. 
X^2 = 20
X = 2sqrt(5) or x = -2sqrt(5)
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Cheers,
Stan H.