Question

Which of the following is a factor of (x – 2)² – (x² – 4)?

विकल्प

• x + 2

• x – 2

• x²

• x

Answer 1

x – 2

Explanation:

(x – 2)² – (x² – 4)

= x² – 4x + 4 – x² + 4

= – 4x + 8

= – 4(x – 2)