6 divided by 1/4 = 24 + 12 divided by 1/4 = 48, then 48 + 24 = 72
10, 20w, 2w, and we are factors of 20w and 40wz
To know if there is a perfect square you gotta see if there is a minus sign before the second coefficient and when you square the second coefficient divided by 2 you should get the third coefficient
Answer:
x=10
Step-by-step explanation:
x-1 = 9
add 1 on both side
x-1+1=9+1
x=10
