Question

factor: x^2+10x+21

Answer 1

Two numbers that multiply to 21 and add to 10 are...???

Answer 2

3?

Answer 3

3 and what?

Answer 4

not 3!
break mid term
can i write now
x^2+7x+3x+21?

Answer 5

so its 7,3 right it would be (x+7) and (x+3)

Answer 6

yes which means

\[\Large x^2+10x+21\]

factors to

\[\Large (x+7)(x+3)\]

Answer 7

got it

Answer 8

best response idk! you both helped me! who wants to help with another one and ill give one a medal now?

Answer 9

go for it

Answer 10

factor: x^2-x-2

Answer 11

wait dont do it yet im putting another one up

Answer 12

list the factors of -2


-2:

-1*2
-2*1

Which of those factors add to -1?