Question

x^2-14x+45

Answer 1

what would the factors be

Answer 2

What numbers together add to -14 and multiplied together =45? Think about the factors for 45. (1,45), (3,15), (5,9). Which of those will equal 14 if you combine them?

Answer 3

5,9

Answer 4

Right, good job. So now, since you have a negative 14 and a positive 45, it'll be -5x and -9x. Do you know how to do it from here?

Answer 5

(x-5)(x-9)?

Answer 6

Yes !