alehandjob alehandjob

28-03-2019
Mathematics

contestada

complete the square to solve the equation below. x^2+2x-9=15

Respuesta :

rgandhi4403 rgandhi4403

31-03-2019

Answer:

Step-by-step explanation:

x^2+2x-9=15

x^2+2x=24

x^2+2x+1=24+1

(because what you do to one side you do to the other) ^

(x+1)^2=25

(x+1)^2 -25=0

(25 is a perfect square)

(x+1-5)(x+1+5)

(x-4)(x+6)

x=4,-6

Answer Link

rosescazzero30 rosescazzero30

27-10-2021

Answer: x=-6; x=4

Step-by-step explanation:

Answer Link

Otras preguntas

what is the distance between (5,3) and (-2,2) in simpilist radical form

Assume the int variables i, lo, hi, and result have been declared and that lo and hi have been initialized. Write a for loop that adds the integers between lo a

Medical payments coverage under the Commercial General Liability Coverage Forms includes reasonable medical expenses if they are incurred and reported within ho

Periods on the periodic table are arrangedOA) in horizontal rows.OB) by order of density.OC) in vertical columnsOD) in no particular order.

A broker-dealer is physically located and registered in State A. The broker-dealer has an existing client in State A who is a student finishing undergraduate st

1. What are Socrates’ reasons (at the beginning of the dialogue) for doubting that virtue can be taught? 2. How does Protagoras reply to Socrates’ arguments tha

Question 13 and 14 please! Answer and show work :)

A lot of computations involve processing a string one character at a time. Often they start at the beginning, select each character in turn, do something to it,

Assume that when adults with smartphones are randomly selected, 53% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find t

A taxi travels for x hours at 80 km per hour (km/h) and y hours at100 km/h. The average speed for the journey of 560 km is 93 km/h.Find X and y