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5 November, 10:20

Multiply (4x - 5) ^2

A. 16x2 + 40x + 25

B. 16x2 - 40x + 25

C. 16x2 - 25

D. 16x2 + 20x + 25

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Answers (1)
  1. 5 November, 14:10
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    B. 16x2 - 40x + 25

    Step-by-step explanation:

    (4x - 5) ^2

    (4x - 5) * (4x - 5) multiply 4x with 4x and - 5 then multiply - 5 with 4x and - 5 as in given order

    16x^2 - 20x - 20x + 25 now add the like terms

    16x^2 - 40x + 25
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