SOLUTION: Factor this polynomial: 4m^2-25

Question 442167: Factor this polynomial:
4m^2-25
Found 2 solutions by ilana, josmiceli:
Answer by ilana(307) (Show Source): You can put this solution on YOUR website!
This is the difference of 2 squares.
The general difference of squares equation is x^2-y^2=(x+y)(x-y).
In this case, the square root of 4m^2 is 2m and the square root of 25 is 5.
So 4m^2-25=(2m+5)(2m-5).
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

to find roots:

(1)
(2)

also, from (1) and (2),

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