Question

Determine the positive number that must be added or subtracted to the expression to complete the square. x ^ 2 - 2x.

Answer 1

Answer:

1

Step-by-step explanation:

take the -2 and divide it by 2

that gives you -1

then square it

now its positive 1

formula is $(b/2)^{2}$

where b is the term next to the x