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20 October, 15:58

Factor the polynomial.

b^2 + 4b + 4

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Answers (2)
  1. 20 October, 16:12
    0
    (b + 2) (b + 2)

    Step-by-step explanation:

    Factor the polynomial.

    b^2 + 4b + 4

    Sum of 4 which product is 4

    Sum: 1 + 3 = 4

    2 + 2 = 4

    Product: 1 * 4 = 4

    2 * 2 = 4

    We use 2 * 2 because it sum is the same as the product of 4. Because 2 and 4 are perfect square so we have:

    b² + 4b + 4 splitted as

    (b + 2) (b + 2) or (b + 2) ²
  2. 20 October, 16:37
    0
    (b + 2) ^2

    Step-by-step explanation:

    b^2 + 4b + 4

    It's perfect square: a^2 + 2ab + b^2 = (a + b) ^2

    So

    b^2 + 4b + 4 = (b + 2) ^2
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