angelteresamccu
angelteresamccu angelteresamccu
  • 07-04-2020
  • Mathematics
contestada

Rewrite the equation by completing the square x^2 + 14x + 49 = 0



(X + [ ] )^2 = [ ]

Respuesta :

olasco
olasco olasco
  • 07-04-2020

Answer:

-7,1

Step-by-step explanation:

x^2+14x+49=0

x^2+14x/2=0-49

x^2+7x=-49

x^2+(7x)²=-49+49

x²+7x²=0

(x+7x)²=0

√(x+7x)²=0

x+7=0

x=-7,1

Answer Link

Otras preguntas

What was the Allies’ purpose in invading Italy and France?
In a certain county, the number of charter schools is 4 less than twice the number of alternative schools. We know that there are 48 charter schools in the coun
How do you prove that vertical angles are congruent?
In which stage of alcoholism does the drinker face serious health problems? a. problem drinking stage b. dependence stage c. last stage
What is 7,000,000,000 divided by 2%
Which of the following values "completes the square," or creates a perfect square trinomial, for x2 + 6x + ___?
what is the gcf of 210 and 90
Which of the following can combine in a cell to convert a lower-energy molecule into a higher-energy molecule?? a. ADP+P+ENERGY b. ATP+P+ENERGY c. ADP+P d. ATP+
Which pair of equations represents perpendicular lines? a. {y=1/2x+2 {y=-1/2x+4 b. {y=5x+7 {y=-1/5x+3 c. {y=1/5x+2 {y=1/5x+1 d. {y=3x+4 {6x+8
identify the factors that led to the development of filipino nationalism?