emmelycontreras emmelycontreras
  • 13-04-2020
  • Mathematics
contestada

Which expression is the factorization of x^2 + 10x + 21?

Respuesta :

joseylayne9 joseylayne9
  • 13-04-2020

Answer:

(x+3)(x+7)

Step-by-step explanation:

Answer Link
PollyP52 PollyP52
  • 13-04-2020

Answer:

(x + 3)(x + 7).

Step-by-step explanation:

x^2 + 10x + 21.

You need  2 numbers whose product is the last number in the function (+21) and whose sum is the coefficient of x (+10).

These are + 3 and + 7, so the factors are:

(x + 3)(x + 7).

Answer Link

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