3( + 1)2 - (2 - 3)(2 + 3)2 + 2(5 + 6); b) -2(2 - + 1) - 2x( + 1 ...

This Open Educational Resource is provided by GFE Foundation as a supplementary asset for 1 2 2 3 . Licensed under CC BY 4.0. Free to use in classrooms and educational presentations with attribution.