SOLUTION: 5n^2+19n+12 2v^2+11v+5 2n^2+5n+2 m^+2m-24 x^2-4x+24 k^2-13k+40

Question 420164: 5n^2+19n+12
2v^2+11v+5
2n^2+5n+2
m^+2m-24
x^2-4x+24
k^2-13k+40
Answer by dnanos(83) (Show Source): You can put this solution on YOUR website!
= multiply 5*12=60...Search among the factors of 60 to find two of them having sum 19 ( that is...4*15=60 4+15=19)
after that we have:
=
=

etc.....
Same way:
= We have 2*5=10 1*10=10 1+10=11
=
=

For a better way we use the of the general formula and if we find then we cannot factorize.
I.e.the above:

a=1,b=-4,c=24
and

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