12
Square of 13 equals 169
Square of 5 equals 25
169-25= 144
144 square root equals 12
Answer:
15
Step-by-step explanation:
Answer:
Well first you need to add the picture otherwise its useless to ask sorry bud :(
Step-by-step explanation:
Expand out, this literally just wants you to multiply everything by -1.
so 7*-1 = -7
-c*-1 = c
thus putting them together to get -7+c which is just c-7
