Rewrite the equation by completing the square. x^2-x-20=0
(x+ ? )^2= ?

please help me

Step-by-step explanation:

Hi there!

This equation is written in the form . First, use partial factoring:

For x^2-x, the b value is -1 in . To complete the square, take the square of half of 1 and add it in the parentheses as the c value:

However, when adding values to one side of the equation, we must to the same to the other side:

Complete the square:

Move 20 to the other side

I hope this helps!

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.