If\[({{x}^{2}}+3x+5)({{x}^{2}}-3x+5)={{m}^{2}}-{{n}^{2}}\], find\[m\]. – McqOptions

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1.	If\[({{x}^{2}}+3x+5)({{x}^{2}}-3x+5)={{m}^{2}}-{{n}^{2}}\], find\[m\].
A.	\[{{x}^{2}}-3x\]
B.	\[3x+5\]
C.	\[{{x}^{2}}+5\]
D.	\[{{x}^{2}}-5\]
Answer» D. \[{{x}^{2}}-5\]

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