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4 votes
In the equation x² + 18x + 81 = 0, the roots are?​

2 Answers

2 votes

Answer:

x = (-9)

Explanation:

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) = 0

x + 9 = 0

x = 0 - 9

x = -9

User Joyson Rego
by
3.6k points
3 votes
X= -9






Hope this helps<3
User Sushanth
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3.7k points