lookitsagamergirl lookitsagamergirl
  • 13-01-2021
  • Mathematics
contestada

Factor x2 – 8x + 15.

Which pair of numbers has a product of ac and a sum of b?



What is the factored form of the trinomial?

Respuesta :

imranhafeez73
imranhafeez73 imranhafeez73
  • 14-01-2021

Answer:

x^2-8x+15

X^2+(a+b)X+ac

=X^2-(5+3)X+(1)(15)

a+b=8

ac=15

=x^2-5x-3x+15

=x(x-5)-3(x-5)

=(x-3)(x-5)

Answer Link
kayym
kayym kayym
  • 05-02-2021

Answer:

a) -3 and -5

a) (x - 3) (x - 5)

Step-by-step explanation:

Answer Link

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