(x+3) (x-3)=27 by factorization:
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Step-by-step explanation:
(x+3)(x-3)=27
x(x-3)3(x-3)=27
x²-3x+3x-9=27
x²-9=27
x²=27+9
x²=36
x=36
x=
x=6
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