morganholmes14 morganholmes14
  • 07-02-2016
  • Mathematics
contestada

factorise completely 3(2a + 5) + 5(a – 2)

Respuesta :

EkaterinaCH15
EkaterinaCH15 EkaterinaCH15
  • 07-02-2016
3(2a+5)+5(a-2)=6a+15+5a-10=11a+5
Answer Link
JvitorBR
JvitorBR JvitorBR
  • 07-02-2016
Hi

3(2a+5) + 5(a-2) = 3(2a)+3(5) + 5(a) + 5(-2) = 6a+15 + 5a-10
3(2a+5) + 5(a-2) = 6a+5a + 15-10 = 11a + 5

Answer: 11a+5

Answer Link

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