SOLUTION: Solving Equation by Factoring (zero property) Solve: 25m^2-16=0

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: Solving Equation by Factoring (zero property) Solve: 25m^2-16=0      Log On


   

Question 255109: Solving Equation by Factoring
(zero property)
Solve:
25m^2-16=0
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
25m^2-16=0
.
Can be rewritten as:
(5m)^2 - 4^2 = 0
which is a "difference of squares" -- a special case of factoring:
(5m - 4)(5m + 4) = 0
Solving for m:
m = {-4/5, 4/5}