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pink_is_metal
Lv 4
pink_is_metal asked in Science & MathematicsMathematics · 1 decade ago

How do you factor a^2b^2-144?

Thank you for the previous answer, this is my last question.

3 Answers

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  • ?
    Lv 7
    1 decade ago
    Favorite Answer

    ... a²b² - 144

    = (ab)² - (12)²

    = (ab - 12) (ab + 12)

  • You'll Never Know<33
    Lv 5
    1 decade ago

    take the square root of the equation

    a²b² - 144 = 0

    a²b² = ±144

    √(a²b²) = ±√144

    ab = ±12

    (ab + 12)(ab - 12) = 0

  • Aaron
    1 decade ago

    Remember what a^2 - b^2 is?

    (a+b)(a-b)

    That same concept applies here

    a^2b^2 - 144 = (ab+12)(ab-12)

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