simplify the following expression without using calculator.

Question

-2(-4a squared + b cube) square

........

-2 (-4a squared + b cube)(-4a squared + b cube)

-2 (16a square - 4a square b cube + b cube)

-2 (+ 16 a square = b cube )

-32a square - 2b cube.

Answer 1

See my reply to your other post

http://www.jiskha.com/display.cgi?id=1422164761