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Mathematics 15 Online
OpenStudy (anonymous):

Choose the correct product of: (3x − 4)2. A. 9x2 − 16 B. 9x2 − 24x + 16 C. 9x2 + 16 D. 9x2 + 24x + 16

jimthompson5910 (jim_thompson5910):

(3x − 4)^2 (3x − 4)(3x − 4) 9x^2-12x-12x+16 9x^2-24x+16 So (3x − 4)^2 expands out to 9x^2-24x+16

jimthompson5910 (jim_thompson5910):

I'm basically using the FOIL rule to multiply everything out

OpenStudy (anonymous):

Thanks (:

jimthompson5910 (jim_thompson5910):

yw

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