Bao yu is completing the square to solve the polynomial equation. x^2-x-3=0 what should be her first step?

a. adding –x to both sides of the equation

b. adding –3 to both sides of the equation

c. isolating the first term, x2

d. isolating the constant, –3

D) isolating the constant, –3

Step-by-step explanation:

D) isolating the constant, –3

how long did the flood last

step-by-step explanation:

then i will answer

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.