Vesperpilot Vesperpilot
  • 25-05-2017
  • Mathematics
contestada

Expand and simplify (3a+2)(4a+5)

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NDLAZI1
NDLAZI1 NDLAZI1
  • 25-05-2017
(3a+2)(4a+5)                  ......expand

12a^2+15a+8a+10         .......group like terms 15a + 8a

12a^2+23a+10               ....this s the answer!
Answer Link
jazzwok
jazzwok jazzwok
  • 25-05-2017
(3a+2)(4a+5)
(3a+2)(4a+5)
(3a)(4a)+(3a)(5)+(2)(4a)+(2)(5)
12a^2+15a+8a+10
=12a^2+23a+10
Answer Link

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