Question

what formula do I use to solve:

x^2 -50x +625 =0

Answer 1

quadratic formula

Answer 2

x=25

Answer 3

Factorise

Answer 4

\[x^2-2xy+y^2=(x-y)^2\]
\[x^2-2(x)(25)+(25)^2=(x-25)^2\]

Answer 5

(x-25)^2=0

Answer 6

thanks!