Question

PLEASE HELKP ME IM BEHIND PLEASE EXPLAIN STEPS AND I WILL GIVE YOU A MEDAL. Factor the trinomial: 4x^2 - 8x - 5
(2x + 1)(2x - 5)
(4x + 1)(x - 5)
(4x - 5)(x + 1)
prime

Answer 1

I am going to teach you a method called slide and divide
take the 1st number and slide it to the back by multiplying it to the last number

Answer 2

so -20

Answer 3

we know x times x is x to the second power
we are using 10 and 2 because 10 times 2 is 20 but we need to subtract them to get 8 the minus sign in front of 20 tells us to subtract those two numbers

Answer 4

what happened there?