Question

Complete the steps to solve the equation x^2-8x-3=0

Answer 1

That's completing the square method.
Do yo know how to do it?

Answer 2

Not really

Answer 3

https://www.khanacademy.org/math/algebra/quadratics/completing_the_square/v/ex3-completing-the-square

Answer 4

thank you. anyhelp on this question? thanks for the link

Answer 5

I'd suggest that you may try it out and write your steps here. I'll check it out.

Answer 6

thanks :-)

Answer 7

x^2-8x=?
x^2-8x+-4^2=19
(x-4)^2=19
x-4=+√19
x-4=-√19

x=4+√19 or x=4-√19

Answer 8

You missed one thing

Answer 9

What's that?

Answer 10

You added (-4)^2 on side of the equation. You will have to add it on the other side of the equation too

Answer 11

OK Thanks

Answer 12

x^2-8x=?
x^2-8x+(-4)^2=19 + (-4)^2