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Add or Subtract x/x-6 + 3/x+7
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1 vote
Add or Subtract x/x-6 + 3/x+7

User Faatimah
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1 Answer

4 votes

{(x)/(x-6)+(3)/(x+7)=(x(x+7)+3(x-6))/((x-6)(x+7))=(x^2+7x+3x-18)/((x-6)(x+7))=(x^2+10x-18)/((x-6)(x+7))}

domain


x\\e 6 \ , \ x\\e -7 \\\\ D: \ x \in \mathbb R - \{-7,6\}
User ClancyStats
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