factorize completely 12x squared -23x

i'm having troubles with some sumshow would you factorize completely 9a(squared) - b(squared)? or an expression like
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factorize completely :12x squared-23x+5
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factorize completely12x squared -23x +5
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factorize completely X^2 + 2X^2 - 15X / 2X^2 - 18
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3. 982 views