Question

Please and thank you :)

Answer 1

\[x^2+7x+12=(x+3)(x+4)\] can you go on from this?

Answer 2

Uhhhh 0.o

Answer 3

Maybe a little more please lol

Answer 4

I just don't understand, really. Do I substitute or what?

Answer 5

do you understand why x^2+7x+12=(x+3)(x+4)?

Answer 6

No.

Answer 7

3 an 4 are roots of polynomial and you can always write polynomial as \[\left( x-x _{1} \right)\left( x-x _{2} \right)\] where x1 and x2 are roots

Answer 8

do you understend this?

Answer 9

Yes

Answer 10

area of rectangle is (width)*(height) from your drawing width is x+b and height is x+a so area = (x+a)(x+b)

Answer 11

Ohh ok

Answer 12

so this means that answar is?

Answer 13

IDK! Erggggg someone told me a is 2 and b is 6 but it just don't seem right to me

Answer 14

area =(x+3)(x+4)=(x+a)(x+b) this means that a and b are?

Answer 15

3 and 4

Answer 16

yes

Answer 17

is there any part that you are confused about?

Answer 18

No. Now that I see it I feel hella dumb but I think I understand this now. Thank you