Which is equal to 500?

The right answer is 10√5..

please see the attached picture for full solution

Hope it helps

Good luck on your assignment

2nd one

Step-by-step explanation:

If you look at all the factors the highest pair with a square root is 5•100

The square root of 100 is 10

And then the square root of 5 is left

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