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How do you completely factor x to the fourth power minus eighty one?
Updated: 12/9/2022
Wiki User
∙ 14y agoBest Answer
Factor x4 - 81. Step 1: both numbers have square roots and have a minus sign between them so the first factor result is (x2+9)(x2-9). Step 2: (x2+9) does not factor, but (x2-9) factors to (x+3)(x-3). Step 3: Solution is (x2+9)(x+3)(x-3).
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∙ 14y agoThis answer is:
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It is: (x-y)4
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(x2 + 1)(x2 - 2)
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What is the solution to x to the fourth power minus eighty one equals zero?
x4 - 81 = 0x4 = 81x = 3
Related questions
How do you completely factor x to the fourth power minus y to the fourth power?
It is: (x-y)4
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x4 - 81 = 0x4 = 81x = 3
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No.
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