Answer:
The answer is (a²+1)(2a+1)
The answer to your question is 4x-12
Answer:
total pages = 20
Step-by-step explanation:
60% of an unknown number is 12
Let the unknown number (total pages) be x.
60/100 of x = 12
60/100 * x = 12
3/5 x = 12
x = 12 * 5/3
x = 20
Answer:
80x2=160 20x3=60 160+60=220
Step-by-step explanation: