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Factor x^2 + 7x -18 Please help
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5 votes
Factor x^2 + 7x -18 Please help

User Drneel
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x^2 + 7x -18=\\ x^2-2x+9x-18=\\ x(x-2)+9(x-2)=\\ (x+9)(x-2)
User Chase James
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