Answer: 17
Step-by-step explanation:
(17*25)*4=n*(25*4)
425 *4 = n*100
1700 = n*100
1700/100 = n =17
Answer:
#565 is the best answer I can give you
Subsitute (nothing hard)
5-7(9*9-3*3)
Combine
5-7(72)
Distibute left to right
-7*72= -504
5-504
-499
Rectangle
the answer is a: (x+1)(x-7)