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17 February, 04:49

Evaluate 60 • x-60 · 15, when x=8.

Step 1 60• x-60 • 15 = 60 (x - 15)

Step 2

Step 3

= 480 - 15

Step 4

465

Where is the error

+2
Answers (1)
  1. 17 February, 05:10
    0
    The right answer is, - 420

    Step-by-step explanation:

    Because we use common factor:

    60 (x - 15)

    We multiply for each term:

    60 (x) - 60 (15)

    60 (8) - 60 (15)

    We solve:

    480 - 900 = - 420
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