SOLUTION: If 6x -1 = 29, what is the value of x² + x?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: If 6x -1 = 29, what is the value of x² + x?      Log On


   

Question 420452: If 6x -1 = 29, what is the value of x² + x?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
6x-1 = 29, so 6x = 30, and x = 5. Replace x with 5 in the expression x%5E2+%2B+x to get 5%5E2+%2B+5, or 30.