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Montano1993 [528]
2 years ago
12

Factor the polynomial below. x2 + 6x + 9

Mathematics
2 answers:
Citrus2011 [14]2 years ago
8 0

Answer:

(x-3) is the factor of polynomial x2 + 6x + 9

and it's zero is -3

Step-by-step explanation:

by solving it we get ;

=

x {}^{2}  + 6x + 9

=

x {}^{2}  + 3x + 3x + 9

=

x(x + 3) + 3(x + 3)

=

(x + 3) {}^{2}

now, equating it with 0, we get

=

(x + 3) {}^{2}  = 0

=

x + 3 = 0

=

x =  - 3

so, the factor is ( x + 3 )

AnnZ [28]2 years ago
3 0

Answer:

Step-by-step explanation:

x²+6x+9=(x+3)²

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