SOLUTION: The square of a number decreased by 5 is the same as 3 more than 7 times the number. Find the number.

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: The square of a number decreased by 5 is the same as 3 more than 7 times the number. Find the number.       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 188541: The square of a number decreased by 5 is the same as 3 more than 7 times the number. Find the number.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the number.
x^2-5=7x+3
x^2-7x-8=0
(x-8)(x+1)=0
x=8 or x=-1
.
Ed