Question

what is the factor of x²+18x + 81​

Answer 1

++Step-by-step explanation:

x^2 + 18x + 81

x^2 + 9x + 9x + 81

x[x + 9] + 9[x + 9]

[x + 9][x + 9]

Thus, x+9 is the factor of x^2+18x+81

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