Question

Please Help! Fan and Medal!!!!

Factor: x2 + 5x + 6
A. (x + 3)(x + 2)
B. (x - 3)(x + 2)
C. (x + 3)(x - 2)
D. (x + 5)(x + 1)

Answer 1

i think its C, but not sure.

Answer 2

You can use FOIL to check out which answer choice might work.

Answer 3

i don't know how to do this

Answer 4

So FOIL stands for:
First
Outside
Inner
Last

Answer 5

the answer is A btw

Answer 6

Let's take the first choice as an example:
\[(x+ 3) (x+2)\]
"First":
\[x \times x = x^2\]
"outside":
\[x \times 2 = 2x\]
"inner":
\[3 \times x = 3x\]
"last":
\[3 \times 2 = 6\]

now put them all together:
\[x^2 + 2x + 3x + 6\]

Answer 7

Simplify it and then see if it matches :)

Answer 8

@kierstenfouts Do you understand how I used FOIL? It's a really useful method!

Answer 9

i do

Answer 10

Great !