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24 March, 20:47

Question 9. Factor x^2 - 6x + 9.

A

(x - 3)

B

(x - 3) (x + 3)

C

(x - 3) ^2

D

9x + 3) ^2

+3
Answers (2)
  1. 24 March, 22:01
    0
    a²-2*a*b+b² = (a-b) ²

    x²-6x+9=x²-2*x*3+3² = (x-3) ² C)
  2. 24 March, 22:53
    0
    C

    Step-by-step explanation:

    Given

    x² - 6x + 9

    Consider the factors of the constant term ( + 9) which sum to give the coefficient of the x - term ( - 6)

    The factors are - 3 and - 3, since

    - 3 * - 3 = + 9 and - 3 - 3 = - 6, thus

    x² - 6x + 9 = (x - 3) (x - 3) = (x - 3) ² → C
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