verushkano1 verushkano1
  • 21-06-2020
  • Mathematics
contestada

factorize 5(m+n)^2+17(m+n)-12

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bitteroceans
bitteroceans bitteroceans
  • 21-06-2020

Answer:

22m+n^​2+2n−12

Step-by-step explanation:

5m+n^​2+20m+n−3m+n−12

(5m+20m−3m)+n^​2+(n+n)−12

22m+n^​2+2n−12

Answer Link
mhanifa
mhanifa mhanifa
  • 21-06-2020

Answer:

(m+n+4)(5m+5n-3)

Step-by-step explanation:

5(m+n)^2+17(m+n)-12

  • m+n=k
  • 5k²+17k-12=
  • 5k²- 3k +20k-12=
  • k(5k-3)+4(5k-3)=
  • (k+4)(5k-3)

(m+n+4)(5m+5n-3)

Answer Link

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