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Having problems in factorization. Please tell me how to solve this x^(2)-7x-18
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2 votes
Having problems in factorization. Please tell me how to solve this


x^(2)-7x-18

User Richard Vergis
by
7.7k points

1 Answer

2 votes

x^2-7x-18=\\ x^2+2x-9x-18=\\ x(x+2)-9(x+2)=\\ (x-9)(x+2)
User Valery Viktorovsky
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8.0k points
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