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Estimating Sum or Difference

Verify the fo...

Question

Verify the following: $(- 13) x [(- 6) + (- 19)] = (- 13) x (- 6) + (- 13) x (- 19)$ .

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Solution

Solving using BODMAS,

LHS,
$(- 13) x [- 25]$

$⟹ 325 x$

RHS,
$78 x + 247 x$

$⟹ 325 x$ = LHS

Hence, proved

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