Answered

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What quantity should be added to both sides of this equation to
complete the square?
x2 - 8x = 5

Sagot :

Kevinaranha167638didn

Answer:

o, we should add 16 on both sides in order to make it a complete square

Step-by-step explanation:

ShubhamchouhanvrVTidn

For making a perfect square we will add 16 on both sides of the given equation.

What is quadratic equation?

The polynomial having a degree of two or the maximum power of the variable in a polynomial will be 2 is defined as the quadratic equation and it will cut two intercepts on the graph at the x-axis.

Given equation is:-

x² - 8x = 5

x² - 8x + 16  = 5 + 16

x² - 4x -4x + 16  = 5 + 16

x ( x - 4 ) -4 (x - 4 ) = 21

( x - 4 )²  =  21

Therefore to make a perfect square we will add 16 on both sides of the given equation.

To know more about quadratic equations follow

https://brainly.com/question/1214333

#SPJ2

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