Question

part A. write the expression x^2- 18 + 45 as a product of two linear expressions. Show your work and justify each step.

Part B: rewrite x^2 - 6x + 9 as a square of a linear expression.

Part C: do the expressions in part A and B have a common factor?

PLEASE HELP ME!?

Answer 1

@sammixboo

Answer 2

I am sorry, but I don't know :(

Answer 3

its okay. thanks though <3 @sammixboo

Answer 4

@AccessDenied

Answer 5

@satellite73

Answer 6

@mathmale

Answer 7

@hartnn @Preetha anybody?

Answer 8

1) x^2 - 18x + 45 = 0
Find 2 numbers knowing their product is (-45) and their sum is (-b = 18). They are (-3) and (-15).
Factoring form: y = (x - 3)(x - 15)
2) (x - 3) ^2 = x^2 - 6x + 9
3) Yes, (x - 3)

Answer 9

Sorry, correction: 2 numbers knowing their product is (45)

Answer 10

@thu1935 thanks so much!!!