Workers are required to pay 4.5% of their salaries into an education fund. A worker's salary is 120 Ghana cedis. How much does he pay into the educational fund?

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  

idk

step-by-step explanation:

$450 i think. hope this ☺