Ava45018 Ava45018
  • 24-02-2018
  • Mathematics
contestada

How do you do this?PLZ HELP

How do you do thisPLZ HELP class=

Respuesta :

liemonder liemonder
  • 25-02-2018
3(x^2+10x+5)-5(x-k)=
3x^2+30x+15-5x+5k=
3x^2+25x+15+5k

for this to be divisible by x every term must include x or get eliminated

the problematic terms are 15 and 5k
to eliminate them they must equal 0 when added:
15+5k=0
5k=-15
k=-3

so A) -3 is the solution
Answer Link

Otras preguntas

Briefly explain the difference between orogenic and epeirogenic crustal changes.
Why are environmental factors important to consider when assessing an individual’s health? a. Environmental factors are the sole cause of health related issues
Arriving between 1820 and 1860, the second largest group of immigrants were from
need help . number eight only
A material that breaks in a rough Jagged way is said to exhibit
Which term describes a change in the environment that causes a response in a living organism?
Which is greater or equal 52,800 cm or 1 km?
What was the effect of early civilizations developing a division of labor
what is xy 27 x 28=???? A.x79 B.21 C.756
Read these paragraphs, noting the change of focus. Carol Harris had been sitting by the telephone all day. Her hopes grew dimmer and dimmer. She had refused to