Question: Simplify: (15). (2x)(3y) (16). (-3a 2 b 4 )(-4a 5 b) (17). (-2y 4 x 3 ) 3 (x 4 y)

Simplify:

(15). (2x)(3y)

(16). (-3a2b4)(-4a5b)

(17). (-2y4x3)3(x4y)

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