If C=t-5C=t−5 and B=t^{2}+2,B=t 2 +2, find an expression that equals 2C+2B2C+2B in standard form.


If C=t-5C=t−5 and B=t^{2}+2,B=t 2 +2, find an expression that equals 2C+2B2C+2B in standard form.


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