Question

Expand ( x^2 + x - 2 ) ( x^2 – x + 2 )

Answer 1

Step-by-step explanation:

{x²+(x-2)} {x²-(x-2)}

(x²)² - (x-2)²

x⁴ - (x²-4x+4)

x⁴-x²+4x-4

Answer 2

Answer:

(x²)²-(x-2)²

x⁴-(x²-4x+4)

x⁴-x²+4x-4

Hope it helps