19681974mora 19681974mora

24-04-2020
Mathematics

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Solve for x

x^2−18x+81=0

Respuesta :

iyohalucky7 iyohalucky7

24-04-2020

Answer: x=9

Step-by-step explanation:

X2-18x+81

Factors of 81 are -9 and -9

X2-9x-9x+81=0

X(x-9)-9(x-9)=0

(X-9)(x-9)=0

(X-9)=0 or (x-9)=0

X=0+9

X=9

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