janyyxy janyyxy
  • 10-06-2021
  • Mathematics
contestada

what number must you add to complete the square? x^2+28x=11

Respuesta :

60010664
60010664 60010664
  • 10-06-2021

Answer:x

=

−

14

+

3

√

23

,

−

14

−

3

√

23

Step-by-step explanation:

Answer Link
MisterBrainly
MisterBrainly MisterBrainly
  • 02-08-2022
  • x²+28x+11

To complete 2ab of (a+b)²

  • 2ab=28x
  • 2x(b)=28x
  • b=28x/2x
  • b=14
  • b²=196

196 must be added on both sides to get complete square as (x+14)²

Answer Link

Otras preguntas

The expression n2 + n represents the total number of blocks used in the nth figure of a pattern. Use the equation n2 + n = 56 to determine which figure has 56
What nation became a bitter enemy of france in the 1870s?
how do scientists who speak in different languages make their data understandable to one another
in the voting for city council precinct only 1/2 of all eligible voters cast votes wat fraction of all eligible voters voted for shelley ? morgan if shelley has
how do you write 30% into a decimal to the nearest hundredth
explain the 5 steps of scientific thinking
What is the y- intercept of the line shown?
help me plz !!!!!!!!!!!!
WHAT EFFECTS DOES THE ALCOHOL HAVE
Which of the following would be classified as hydrophobic? Glucose, sucrose,NaCl, long chain fatty acid, pepsin