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Simplify x^(2) +10x+9
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1 vote
Simplify
x^(2) +10x+9

User Erivan
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1 Answer

7 votes

Answer:

Explanation:


\displaystyle \Large \boldsymbol{} x^2+10x+9=0 \\\\ x^2+\underbrace{x+9x}_(10x)+9=0 \\\\x^2+x+\underline9x+\underline9=0 \\\\x(x+1)+9(x+1)=(x+9)(x+1)

User IGili
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