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12 August, 06:44

Factor completely 4x^4 - 24x^3 + 36x^2

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Answers (2)
  1. 12 August, 09:51
    0
    4x^2 (x-3) ^2

    Step-by-step explanation:

    Original expression: 4x^4 - 24x^3 + 36x^2

    So looking at this we see that there are a few things we have in common among all the terms in this expression

    1. They all have at least a value of x^2

    2. They are all multiples of 4

    Knowing this we can begin to factor and pull out an x^2 term

    x^2 (4x^2 - 24x + 36)

    Then we can factor out the 4

    4x^2 (x^2 - 6x + 9)

    Now we have reached a quadratic, and in this case we can also factor this quadratic:

    We need a number that when multiplied will give positive nine and add to - 6 so we can do - 3 and - 3 to fix these specifications:

    4x^2 ((x-3) (x-3)) or 4x^2 (x-3) ^2
  2. 12 August, 10:30
    0
    Answer: 4x^2 (x-3) ^2 the will be the answer if you factor it
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