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6 November, 18:05

Which expression has an equivalent value to x2 + 9x + 8 for all values of x?

a. (x + 1) (x + 8)

b. (x + 2) (x + 6)

c / (x + 4) (x + 4)

d. (x + 5) (x + 4)

+2
Answers (2)
  1. 6 November, 18:17
    0
    Long way is to multiply them out

    short way is to factor given equation

    x^2+9x+8

    what 2 numbers add to 9 and multiply to 8?

    1 and 8

    (x+8) (x+1)

    A
  2. 6 November, 18:30
    0
    Answer: a. (x+1) (x+8)

    Use distributive property: = x^2+8x+x+8

    = x+9x+8
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