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Mathematics 9 Online
OpenStudy (anonymous):

Multiply these binomials. (4x - 5)(2x3 - 7x2)

OpenStudy (callisto):

Same method as the previous one (4x - 5)(2x^3 - 7x^2) = 4x(2x^3 - 7x^2) -5(2x^3 - 7x^2) = Can you try from here?

OpenStudy (anonymous):

8x4 - 18x3 - 35x2

OpenStudy (callisto):

First term -> correct Second term and last term -> incorrect

OpenStudy (anonymous):

D. 8x4 - 38x3 + 35x2

OpenStudy (callisto):

Yes

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