Question

prove that [(-2)×3] ×(-4)= (-2)×[3×(-4)].​

Answer 1

Answer:

ans will be 24

Step-by-step explanation:

[(-2)×3]×(-4) = (-2)×[3×(-4)]

(-6)×(-4) = (-2)×(-12)

24 = 24

Answer 2

SOLUTION

TO PROVE

$\sf{[( - 2) \times 3]} \times ( - 4) = ( - 2) \times [3 \times ( - 4)]$

EVALUATION

We have to prove that

$\sf{[( - 2) \times 3]} \times ( - 4) = ( - 2) \times [3 \times ( - 4)]$

Now

LHS

$\sf{ = [( - 2) \times 3]} \times ( - 4)$

$\sf{ = ( - 6) } \times ( - 4)$

$\sf{ = + 24}$

RHS

$\sf{= ( - 2) \times [3 \times ( - 4)]}$

$\sf{= ( - 2) \times ( - 12)}$

$\sf{= + 24}$

LHS = RHS

Hence proved

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