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Prime factor 4x^2-81=0
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Prime factor 4x^2-81=0

User Friday Ameh
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2 Answers

3 votes

Answer:


4 {x}^(2) - 81 = 0 \\ 4 {x}^(2) = 81 \\ {x}^(2) = (81)/(4) \\ x = \sqrt{ (81)/(4) } \\ x = (9)/(2) \\ {x = 4.5}

User Asharali V U
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8.0k points
3 votes
Either one of these x = 9/2 = 4.500
x = -9/2 = -4.500
User Shabbychef
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