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Natali [406]
3 years ago
9

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

Mathematics
2 answers:
gayaneshka [121]3 years ago
8 0
X^2 - 18x + 81 = 0
x^2 - 9x - 9x + 81 = 0
x(x - 9) - 9(x - 9) = 0
(x - 9)(x - 9) = 0
(x - 9)^2 = 0
x - 9 = 0
x = 9
ira [324]3 years ago
6 0

Answer:

the answer is 9

Step-by-step explanation:

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