serinasantiago
serinasantiago serinasantiago
  • 01-05-2020
  • Mathematics
contestada

only answer if yk it ! correct answer ill mark as brainliest!

Solve the equation for all values of x by completing the square:
x^2+45=-14x

Respuesta :

valeryswilliams
valeryswilliams valeryswilliams
  • 01-05-2020

Answer:

x=-5, x=-9

Step-by-step explanation:

x^2+45=-14x

add 14x to both sides

x^2+45+14x=-14x+14x

simplify

x^2+14x+45=0

solve using quadratic formula

a=1, b-14, c=45

x=-14±√14^2-4·1·45/2·1

(solve using a calculator or PEMDAS)

(solve for both + and -)

x=-5, x=-9

Answer Link

Otras preguntas

The sum of the areas of two circles is 80π square meters. Find the length of a radius of each circle if one of them is twice as long as the other. What is the r
A container is decorated with images of Egyptian gods and placed inside a tomb. What is the likely function of this object
Help me please!!!!!!!!!!!!!/ Science
A car decreases in value of 0.8% for every year it is driven. If the car's value begains at $15,000, how much will it be worth in 5 years?
6% OF WHAT NUMBER IS 5.34?
Derive the equation of the parabola with a focus at (0, 1) and a directrix of y = −1?
Mrs . Tokala uses 9/10 of a can of coffee beans each week. how many cans of coffee beans does Mrs. Tokala use in 6 weeks? write your answer in two different way
What are the most prominent features of airflow above the friction layer?
What are the most prominent features of airflow above the friction layer?
Write 3-4 sentences introducing Alaska and its good qualities. Please help !!!!!