Sixxis4life Sixxis4life

16-03-2018
Mathematics

contestada

What number must be added to both sides of the equation to complete the square? x^2-14x=7

Respuesta :

WhyDoDis WhyDoDis

16-03-2018

x^2 - 14x - 7 = 0
x^2 - 14x + 49 - 49 -7= 0
(x^2 - 14x + 49) - 49 - 7= 0
(x - 7)^2 - 56 = 0
i achieved 49 by:
first divide the 14 by 2 and then square it.
14/2= 7
7^2 = 49

Answer Link

Otras preguntas

PLEASE HELP.. "If I was in any doubt, as to the right which the Parliament of Great Britain had to tax us without our consent, I should most heartily coincide w

ms Callahan is building a new dog pen for her dog. she has 24feet of fencing. the pen needs to be a rectangle. what is the length and width of the diffrent siz

How many kingdoms do scientist use to classify a living things today?

Piramida triunghiulara regulata, muchia laterala de 20 cm si apotema de 16 cm. Aflați aria totală!!! vă rooog, imi trebuie azi!!!!

Which of the following is a growing threat to animals that are believed to be critical to the success of natural remedies?

Why must weathering,erosion, and deposition take place to form a river delta?

CANT get these WRONG. EXPLANATION WOULD BE NICE. if you can 1. What is the perimeter of a triangle with the given side lengths? s1 = 2x + 1 cm s2 =

A bag contains six white beads and four black beads. You pick out a bead at random,record it's color and put the bead back in the bag. You repeat this process 3

Which line from miracles contains an image that primarily appeals to the sense of touch?

How do environmental factors contribute to changes in population?