SOLUTION: Solve each eqaution. Check your solution. how do i solve this? 4k squared subtract 28k = negative 49.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve each eqaution. Check your solution. how do i solve this? 4k squared subtract 28k = negative 49.      Log On


   

Question 302841: Solve each eqaution. Check your solution.
how do i solve this? 4k squared subtract 28k = negative 49.
Answer by london maths tutor(243) About Me  (Show Source):
You can put this solution on YOUR website!
4k%5E2-28k%2B49=0
(2k-7)(2k-7)=0
2k-7 = 0
k = 7/2 = 3 1/2