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4 December, 08:33

What is the product of the binomials below?

(2x + 5) (4x + 4)

A. 9x2 + 28x + 20

B. 8x2 + 28x+9

C. 8x1 + 28x+20

D. 9x2 + 28x+9

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Answers (1)
  1. 4 December, 09:36
    0
    The correct answer is 8x^2+28x+20.

    Step-by-step explanation:

    (2x+5) (4x+4)

    Multiply the first bracket with each element of second bracket:

    =4x (2x+5) + 4 (2x+5)

    =8x^2+20x+8x+20

    Now solve the like terms:

    =8x^2+28x+20

    Thus the correct answer is 8x^2+28x+20 ...
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