Question

simplify x^2-10x+25

Answer 1

(x-5)(x-5)

Answer 2

(x-5)(x-5)

Answer 3

(x-5)(x-5) = (x-5)^2

Answer 4

x^2-10x+25 = x^2 - (2*5) + 5^2 = (x-5)^2

Using the identity:
(a-b)^2 = a^2-2ab+b^2

Answer 5

thanks