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

If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?
Which of the following changes will decrease the rate of collisions between gaseous molecules oftype A and B in a closed container? A. decrease the volume of t
1. What is the empirical formula for a compound containing 63.8% N and 36.2% O? a. N₂O₅ b. N₂O₃ c. NO₂ d. NO e. N2₂O
1. What is the empirical formula for a compound containing 63.8% N and 36.2% O? a. N₂O₅ b. N₂O₃ c. NO₂ d. NO e. N2₂O
A candy distributor needs to mix a 10% fat-content chocolate with a 40% fat-content chocolate to create 100 kilograms of a 16% fat-content chocolate. How many k
what is 1/2 plus 9/10
From the equations 7a = 4 and 7a + 4b = 12, one can conclude that b is? Please explain the work behind the solution
How do u answer 3(x+2)=x-18
When the following is balanced, C₄H₁₀ + O₂ → CO₂ + H₂O, what is the coefficient of CO₂? a. 2 b. 4 c. 8 d. 10 e. 13
Well explained answer plz: Can girls with dark black skin bleach there girlstashes? ???