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Factor completely 81x4-16
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2 votes
Factor completely 81x4-16

User Maryokhin
by
7.1k points

2 Answers

3 votes

Answer:

308

Explanation:

81*4-16

(81*4)-16

(324)-16

308

Remember PEMDAS!

multiply before subtraction!

User Jurian Sluiman
by
8.0k points
4 votes

Answer:

Solving for 81x^4 - 16 = 0

Explanation:

Standard form:

81x4 − 16 = 0

x1 = −0.667

x2 = 0.667

x3 = −0.666667i

x4 = 0.666667i

User Dobrobobr
by
8.1k points
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