Question

express 2x² - 4x + 1 in the form a(x + b)² + c​

Answer 1

Step-by-step explanation:

2x² - 4x + 1

By taking out 2x from 2x² - 4x as common, we get

2x² - 4x + 1

2x(x-2)+1

Answer 2

Answer:

$2x^2-4x+1=2(x-1)^2-1$

Step-by-step explanation:

$2x^2-4x+1\\\\=2(x^2-2x)+1\\\\=2(x^2-2x+1-1)+1\\\\=2(x-1)^2-2+1\\\\=2(x-1)^2-1$