Complete the Square:
5x^2+16x-40=8
(please show your steps)

Step-by-step explanation:

divide through by the coefficient of

+

Add half of the square of the coefficient of x  to both sides

±

±

or

or -5.09

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.