Q. 34.3( 6 Votes )

# <span lang="EN-US

Answer :

z2 + 12z + 27

Now first find the numbers whose-

Sum = 12 and

Product = 27

Required numbers are 9 and 3,

So we get;

z2 + 12z + 27

= z2 + 9z + 3z + 27

= z(z + 9) + 3(z + 9)

= (z + 9)(z + 3)

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