Mommyde6sts6
Mommyde6sts6 Mommyde6sts6
  • 08-07-2016
  • Mathematics
contestada

one of the solutions to x2 − 2x − 15 = 0 is x = −3. what is the other solution? x = −5 x = −1 x = 1 x = 5

Respuesta :

Ckaranja
Ckaranja Ckaranja
  • 09-07-2016
[tex] x^{2} -2x-15=0[/tex]
P(-15)
s(-2)
[tex] x^{2} -5x+3x-15[/tex]
=x(x-5)+3(x-5)
=(x+3)(x-5)
x=5
Answer Link
5pfj7zmnqw 5pfj7zmnqw
  • 20-01-2021

Answer:

5

Step-by-step explanation:

5

Answer Link

Otras preguntas

which pair of numbers is relatively prime? 12 and 81, 12 and 35, 12 and 32, 12 and 27
In which type of fossil might you find the remains of an inspect preserved with little or no change? A: trace fossil B: replacement fossil C: mold D: fossil in
How to solve 3&2/3+8+1&1/3
What ancient philosophy gained new popularity under the Tang/Song dynasty and led to the expansion of the civil service examination? a) Buddhism b) Legalism c
is a spinner is numbed from 1-10 Which event has a theoretical probability of exactly 1/5? Check all that apply. spinning a number less than 3 spinning a 4
An expression representing a chemical reaction; the formulas of the reactants are connected by an arrow with the formulas for the products. Example: 2H2 + O2 2H
What were the origins of the cold war
why was the Roman republic threatened by jelius Caesar
What is the resistance equivalence of two resistors that are twenty ohms each.
Lincoln’s announcement of the Emancipation Proclamation had all of the following effects except: -end slavery -won support of nonslave countries -strengthene
good job