SOLUTION: find an integer such that square of the integer is eighty one less than eigtheen times the integer

SOLUTION: find an integer such that square of the integer is eighty one less than eigtheen times the integer

Algebra.Com

Question 225282: find an integer such that square of the integer is eighty one less than eigtheen times the integer
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x^2=18x-81
x^2-18x+81=0
(x-9)^2=0
x-9=0
x=9 ans.
Proof:
9^2=18*9-81
81=162-81
81=81
RELATED QUESTIONS
Find the square of an integer such that four less than half the integer is... (answered by josgarithmetic)

Find two positive even consecutive integers such that one less than the square of the... (answered by mananth)

Nine times a certain integer is 18 less than square of the integer. find the... (answered by timvanswearingen)

1. One integer is 2 more than another. Their product is 35. Find the Integers 2. One... (answered by TimothyLamb)

An integer is seven more than another integer. Twice the larger integer is one less than... (answered by mananth)

If 5 is added to the square of an integer, the result is 4 less than 10 times that... (answered by ankor@dixie-net.com,josgarithmetic)

find three consecutive integer such that twice the greater integer is 2 less than 3 times (answered by CubeyThePenguin)

find three consecutive even integers such that the sum of the first integer and three... (answered by CubeyThePenguin)

Find three consecutive integers such three times the third integer added to one half of... (answered by algebrahouse.com)