isabel195 isabel195
  • 10-09-2020
  • Mathematics
contestada

x² + 5x + 4
Factor the polynomial

Respuesta :

cassandra4t cassandra4t
  • 10-09-2020
Answer: (x+4) (x+1)

X^2+4x+x+4
Answer Link
CSMedrano
CSMedrano CSMedrano
  • 10-09-2020

Answer:

[tex](x+4)(x+1)[/tex]

Step-by-step explanation:

the formula is

[tex](x+a)(x+b)=x^{2}+(a+b)x+ab[/tex]

so

a+b=5

ab=4

so the possible values are

a=1 b=4

a=4 b=1

we have

[tex](x+4)(x+1)\\\\(x+1)(x+4)[/tex]

it's the same

so the factor

[tex](x+4)(x+1)[/tex]

Answer Link

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