2. which equation represents this sentence? one-half the sum of a number and four is three less than the quotient of five and the number. question 5 options: 12n 4=3−5n {"version": "1.1","math": "12n4=3-5n"; ; } 12(n 4)=3−5n {"version": "1.1","math": "12(n4)=3-5n"; ; } 12n 4=5n−3 {"version": "1.1","math": "12n4=5n-3"; ; } 12(n 4)=5n−3

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

a and c

step-by-step explanation: