Question

express x^2-8x+20 in the form (x-a)^2+a where a is an integer

Answer 1

Answer:

(x-4)²+4

Step-by-step explanation:

Answer 2

Answer:

$(x-4)^2+4$

Step-by-step explanation:

$x^2 - 8x + 20\\**********************************\\\frac{8}{2} =( 4 )^2 = 16 \\\\20 - 16 = 4\\**********************************\\x^2 - 8x + 16 + 4\\(x-4)^2+4$