anonymous
  • anonymous
Expand and simplify: (3a + 2)(4a + 5) A. 12a2 – 10 B. 12a2 – 7a – 10 C. 12a2 + 23a + 10 D. 12a2 + 7a – 10
Mathematics
jamiebookeater
  • jamiebookeater
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welshfella
  • welshfella
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welshfella
  • welshfella
multiply along these lines first one is 3a*4a
anonymous
  • anonymous
3a(4a + 5) + 2(4a + 5) 12a^2 +15a+8a+10 12a^2+23a+10

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anonymous
  • anonymous
i was on the wrong one for some reason it wasent on mine it was on someone else s
anonymous
  • anonymous
\[12a^2+23a+10\] as i explained to you @speartonion :)
anonymous
  • anonymous
which means A! :)
anonymous
  • anonymous
hey i did all 3 @pinkbubbles
anonymous
  • anonymous
the medals
anonymous
  • anonymous
Cool! i never knew you can do 3
anonymous
  • anonymous
it gave me enough time to do 4 or 5 they just have to be in a row
anonymous
  • anonymous
mine didn't work :(
anonymous
  • anonymous
:( its fine :))

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