Question

(3×7)2 -84× = (3-7)2​

Answer 1

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(3×7) 2-84=(3-7) 2

(21)2-84=6-14

42-84=-8

-42=-8

=42-8

=34

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Answer 2

Step-by-step explanation:

(3×7)2-84=(3-7)2

21×2-84=-4×2

42-84=-8

-42=-8

=42-8

=34