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: if you weigh 60 pounds on earth, on the moon you will weigh about 10 pounds. if you weigh 120 pounds on earth, you will weigh about 20 pounds on the moon. since weight is caused by the mass of two objects that are near each other, the bigger the objects, the more the force of gravity.

step-by-step explanation: if you weigh 60 pounds on earth, on the moon you will weigh about 10 pounds. if you weigh 120 pounds on earth, you will weigh about 20 pounds on the moon. since weight is caused by the mass of two objects that are near each other, the bigger the objects, the more the force of gravity.