Question

x-1-(x-1)2+4-4x
Please tell the answer of this​

Answer 1

$\pink{your}\red{ answer}$

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

= x - 1 -(x^2–2x+1)+4–4x

= x - 1 - x^2 + 2x - 1 + 4 - 4x

= -x^2 - x + 2 = -(x^2 + x - 2)

= -(x^2 + 2x - x - 2)

= -{x(x+2) -1(x+2)}

= - (x+2)(x-1) = (x+2)(1-x)