complete square root add what number to both sides to
x^2-6x=-8

Question

amistre64 · Answer

what is a complete square?

amistre64 · Answer

add (b/2)^2

anonymous · Answer

I did that I need a whole number I came up with 1 but it is not right

anonymous · Answer

-6/2 = -3
then you square that   (-3)^2 = 9

amistre64 · Answer

blext didnt get a 1 ;)

anonymous · Answer

b=-6/2^2 = 36/4

amistre64 · Answer

yes; and 36/4 = 9

anonymous · Answer

where so you get 36?

amistre64 · Answer

6^2 = 36
--------- = 9
2^2 = 4

anonymous · Answer

formula  x^-6x=-8
b=(-6/2)^2

anonymous · Answer

36/4 =9 so I put 9 on each side of the equation?

amistre64 · Answer

welll close;

b = -6; the number you wanna add to both sides is:

(b/2)^2

amistre64 · Answer

yes; add 9 to both sides to complete the square

anonymous · Answer

okay that is  not the example in my book

amistre64 · Answer

there are many ways to get to the same answer; you gotta pick what works for you :)

anonymous · Answer

this is true I am taking this test for my last time on my math lab and want to get the correct answers.

amistre64 · Answer

the real solution is:

(bx/2ax)^2  but for the a=1 thats rather obiquitous.  and the x's always cancel anyways.

anonymous · Answer

thank you