anonymous
  • anonymous
Simplify: (4b + 3) (2b - 5) a: 8b2 - 14b - 15 b: 8b2 + 9b - 15 c: 8b2 + 6b + 15 d: 8b2 - 15
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
what do you think u should do?
anonymous
  • anonymous
multiply 4b and 2b
anonymous
  • anonymous
Correct!

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More answers

anonymous
  • anonymous
you need to apply the FOIL/distribution method
anonymous
  • anonymous
the answer is B right?
anonymous
  • anonymous
i don't know FOIL
anonymous
  • anonymous
|dw:1436275675763:dw|
anonymous
  • anonymous
first multiply this
anonymous
  • anonymous
4b * 2b = ? 4b * -5 = ?
anonymous
  • anonymous
8b-20b
anonymous
  • anonymous
correct
anonymous
  • anonymous
ok
anonymous
  • anonymous
|dw:1436275826552:dw|
anonymous
  • anonymous
Now this… what is 3 * 2b? What is 3 * -5? And that is FOIL
anonymous
  • anonymous
6b-15
anonymous
  • anonymous
First Outer Inner Last
anonymous
  • anonymous
ok i'll try and remember that
anonymous
  • anonymous
|dw:1436275891117:dw|
anonymous
  • anonymous
combine like terms and you're done!
anonymous
  • anonymous
|dw:1436275929301:dw|
anonymous
  • anonymous
but that's not an answer choose
anonymous
  • anonymous
ok
anonymous
  • anonymous
|dw:1436275974484:dw|
anonymous
  • anonymous
the answer is C
anonymous
  • anonymous
thanks
anonymous
  • anonymous
Which makes: 8b^2 - 20b + 6b - 15 8b^2 - 14b - 15
anonymous
  • anonymous
Correct.

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