b x 7 x a - 7ab, a x 2 x 7 x b - 14ab, 18ab / 3ab - 6ab, 2ab + 3ab - 5ab, 5 x t x s x 4 - 20st, 10 x 4g - 40g, 20g + 4g - 10g - 14g, 7 x c x 8 x d  - 56cd, 6 x d x 4 x 2 x c - 48cd, 35mp/7mp - 5mp, 64mp/ -8p  - -8m, 40h - 50h - -10h, 50h - 40h - 10h , 6 x (-m) x 7 x p - -42mp, 8f x -11t - -88ft, 6 x c x 3 x d x 3  - 54cd , (-5) x t x 4 x s  - -20st, 3 x 3ab - 9ab, 9 x c x 6 x e x d - 54cde, 10a - 11b - 5a + 5b - 5a - 6b ,

Simplifying algebraic expressions Grp 020

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