giani22
giani22
16-03-2022
Mathematics
contestada
can you please help me this with this ):
Respuesta :
amanukyan1962
amanukyan1962
16-03-2022
x² − 2x − 15 = (x + r)( x + s)
Factor to get: (x + 3)(x - 5) = (x + r)( x + s)
Rewrite as: (x + 3)(x + -5) = (x + r)( x + s)
So, it's possible that r = 3 and s = -5
Here, r - s = 3 - (-5)
= 8
Answer Link
VER TODAS LAS RESPUESTAS ( 83+ )
Otras preguntas
Why is the name "Ship-Trap Island" in the short story "The Most Dangerous Game" ironic?
The atmosphere contains about 80% nitrogen gas, but nitrogen in this form cannot be used by plants. Which process converts atmospheric nitrogen to a useful
Which of these would most likely cause a mutation? A the placement of ribosomes on the endoplasmic reticulum B the insertion of a nucleotide into DNA C the m
Please give me as many words as you can that rhyme with Hearts. It's for a poem at school.
proverbs related to climate and weather
Predators often feed on weak or sick animals in an ecosystem. The role of the predator is described as its ..what? :)
proverbs related to climate and weather
using exactly four 4's and any operations[+,-,x,/,()] write an expression to equal each of the following:345
how to solve 12ax-2ax+14x-2a+ -3x
give 3 reasons why places along the equator are warmer than those closer to the poles. thx :]
