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Mathematics 12 Online
OpenStudy (anonymous):

Simplify: (4b + 3) (2b - 5)

OpenStudy (alekos):

(v+w)(x+y) = vx+wx+yv+wy

OpenStudy (alekos):

Ah! you're not supposed to just give it away!

OpenStudy (alekos):

Let them do a bit of work as well

OpenStudy (anonymous):

the answer chooses are a: 8b2 - 14b - 15 b: 8b2 + 9b - 15 c: 8b2 + 6b + 15 d: 8b2 - 15

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