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Mathematics 9 Online
OpenStudy (anonymous):

4) WILL GIVE MEDAL AND FAN!! Write the product as a trinomial. (2r – 5)(r + 10) a. 3r2 + 5r + 50 b. 2r2 – 25r – 50 c. 2r2+ 15r – 50 d. 2r2 – 50

OpenStudy (anonymous):

(2r-5) (r+10) 2r2 + 20r - 5r - 50 2r2 + 15r - 50 It's C

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