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26 May, 12:35

1 - 2.25x^8

Factor this

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Answers (1)
  1. 26 May, 12:58
    0
    (1+3/2x^4) (1-3/2x^4) = (1+1.5x^4) (1-1.5x^4)

    Step-by-step explanation:

    2.25 = 9/4

    putting decimals into fractions will make this easier

    9/4 = 3/2 * 3/2

    a²-b² = (a+b) (a-b)

    1 - 2.25x^8 = 1² - (3/2x^4) ² = (1+3/2x^4) (1-3/2x^4) = (1+1.5x^4) (1-1.5x^4)
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