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Mathematics 13 Online
OpenStudy (anonymous):

Factor. x2 – 6x + 9 A. (x – 3)2 B. (x + 3)2 C. (x – 9)2 D. (x + 9)2 Explain.

OpenStudy (skullpatrol):

Do you know how to use FOIL?

OpenStudy (anonymous):

foil the options and see you which one gives x^2-6x+9

OpenStudy (anonymous):

ok thx

OpenStudy (anonymous):

\[ x^2 - 6x + 9 \\ (x^2 - 3x) - (3x + 9) \\ x(x - 3) -3(x - 3) \\ (x-3)(x-3) \\ (x-3)^2 \]

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