Question

Factor the expression.

12d2 + 4d – 1
a.
(6d + 1)(2d + 1)
b.
(6d – 1)(2d + 1)
c.
(6d + 1)(2d – 1)
d.
(6d – 1)(2d – 1)

Answer 1

okay so which one do you want to stat with?

Answer 2

ok
Multiply 12 by -1, which is -12.
Which two numbers add up to 4 and multiply to -12?

Answer 3

6 and 1

Answer 4

nope

Answer 5

one of the number is gonna be negtive(hint)

Answer 6

-6

Answer 7

6 is correct but whats the other number?

Answer 8

oh so its a neg 1?

Answer 9

nope is 6 times -1= 12?

Answer 10

i dont think it does(hint)

Answer 11

ok

Answer 12

6 time what number is 12?

Answer 13

not sure

Answer 14

isnt 6 times 2 = 12?

Answer 15

yea ohhh

Answer 16

but we want negative 2 so two numbers are 6 and -2 and 6+-2 is also 4

Answer 17

so what are our two numbers?

Answer 18

and 1

Answer 19

noo wasnt it -2?

Answer 20

im really bad

Answer 21

well it was. fo you understand what we did so far?

Answer 22

@brandel26

Answer 23

ewrite 4d as the sum of 6d and −2d

12d^2+6d−2d−1:

Factor out common terms in the first two terms, then in the last two terms
6d(2d+1)−(2d+1)

Factor out the common term 2d+12d+1
(6d-1)(2d+1)----final answer so what choice?

Answer 24

b

Answer 25

coreect

Answer 26

Do you have a paypal so i can pay you

Answer 27

no i dont but its fine you dont need to pay

Answer 28

you have more?

Answer 29

yes posting now.

Answer 30

ok

Answer 31

but you can give a medal if you want