x2 - 2x - 10 = 5
x2 - 2x - 15 = 0
(x - 5)(x + 3) = 0
x - 5 = 0 and x + 3 = 0
So, x = 5 and x = -3
Chat with our AI personalities
x squared -2x-3 equals 0 is the same as (x + 1)(x - 3) = 0
(2x-4)(x-1) = 0
3x(2x + 1)
x2-2x-10-5 = 0 x2-2x-15 = 0 (x+3)(x-5) = 0 x = -3 or x = 5
2x(2x - 1)