19681974mora
19681974mora 19681974mora
  • 24-04-2020
  • Mathematics
contestada

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

Answer Link

Otras preguntas

n which of the following sentences is a semicolon used correctly? A. Joe watered the garden and; the plants did not grow. B. Joe watered the garden
a snail moves at a speed of 2.394 inches per minute. if the snail keeps moving at the rate, about how many inches will it travel in 7.489 minutes?
Evan said that the difference between two negative numbers must be negative. Was he right?
if you're planning to drink, you should?
why were advances in transportation and communication important to the second industrial revolution
Why was John Jay criticized when he came back from England?
2x (z-1) + 8x helpppp
8.5 rounded to nearest tenth
to select a new theme for a slideshow use the blank tile in the ribbon
Choose the sentence that uses a preposition to express a logical relationship. A. He practiced for the piano recital from early morning to late aftern