Question

Write as a polynomial: (−1–2a^2b)(1–2a^2b)

Answer 1

4a^4b^2 - 1

Explanation:

(-1 - 2a^2b)(1 - 2a^2b) =

= -(1 + 2a^2b)(1 - 2a^2b)

= -(1 - 4a^4b^2)

= -1 + 4a^4b^2

= 4a^4b^2 - 1