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What value(s) of x make the equation x2 - 18x + 81 = 0 true?

What value(s) of x make the equation x2 - 18x + 81 = 0 true?
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3 votes
What value(s) of x make the equation x2 - 18x + 81 = 0 true?

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User Ndemoreau
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9.1k points

2 Answers

2 votes

Answer:

9

Explanation:

answered
User Duykhoa
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8.7k points
4 votes
We can factorise this to get (x-9)(x-9). To find the value, each bracket needs to equal 0, so the value would be x=9
answered
User Rubotero
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8.1k points
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