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(x+3)^0+x^0-5x^0

 Jan 25, 2017
 #1
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(x+3)^0+x^0-5x^0

 

\((x+3)^0+x^0-5x^0\\ x\ne3\qquad x\ne0\\ =1+1-5*1\\ =1+1-5\\ =-3\)

 Jan 25, 2017
 #2
avatar+9676 
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Melody: one tiny mistake......

\(\color{BurntOrange}x\neq -3\qquad x\neq0\)

MaxWong  Jan 25, 2017

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