Question

(-15) x (4 ×28) = [(-15) x 4] x 28​

Answer 1

Answer:

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Step-by-step explanation:

(-15) x (4 ×28) = [(-15) x 4] x 28

= (-15) × 112 = [-60] × 28

= -1680 = -1680.

Answer is -1680.

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Answer 2

Answer:

(-15)×(4×28)= {(-15)×4}×28

(-15)×112=(-60)×28

-1680=-1680

=(-15)×(4×28)={(-15)×4}×28 (proved)