(-4 + 4r)(-7) someone please help

−28+28

Step-by-step explanation:

1)Rearrange terms

(−4+4)(−7)

(4−4)(−7)

2)Re-order terms so that constants are on the left

(4−4)(−7)

−7(4−4)

3)Distribute

−7(4−4)

−28+28

Solution

−28+28

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.