Question

What are the zeroes of x^2 - 4x + 4

Just need help with basic math, I can't remember

Answer 1

2

Explanation:

We expand the quadratic to get (x-2)(x-2)

We know this because -2 - 2 = -4 and -2 * -2 = 4

Since 2-2 = 0, we know x = 2

Hope this helps