" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(-5a · (-3b)) × 2b
((-5(-3) · (ab)) × 2b
(15 · ab) × 2b
(15ab) × 2b
(15 × 2) · (ab × b)
30 · a(b × b)
30 · ab²
30ab²................(C)