What expression is equivalent to x2 - 49? O A. (x - 72 O B. (x + 722 OC. (x + 7)(x-7) OD. (x + 7)(7 - x)

45

step-by-step explanation:

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.

multiple all that

step-by-step explanation:

27×17