R2 - 16 = 0
R2 = 16
Take the square root of each side to get rid of the square on R.
R = 4
Chat with our AI personalities
m2 - 8m + 16 = 0 (m - 4)2 = 0 so m = 4
The value of x is 7
2(x - 2)(x - 4)
Solve using the quadratic formula
x squared -2x-3 equals 0 is the same as (x + 1)(x - 3) = 0