Atruckload of 10-pound and 50-pound bags of fertilizer weighs 9000 pounds. a second truck carries twice as many 10-pound bags and half as many 50-pound bags as the first truck

kids are dieng by trucks so explode the trucks

Step-by-step explanation:

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