Question

verifyi the following (-21)×[(-4)+(-6)]=[(-21)×(-4)]+[(-21)×(-6)]​

Answer 1

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Consider L.H.S

$= \: ( - 21) \times [( - 4 ) + ( - 6)]$

$= \: ( - 21) \times [- 10] = (- 21) \times ( - 10) \: = 200$

Now consider R.H.S

$= [( - 21) \times ( - 4)] + [( - 21) \times (- 6)]$

$= 84 + 126 \: = 210$

Hence L.H.S = 210 = R.H.S

Answer 2

Answer:

(−21)×[(−4)+(−6)]=[(−21)×(−4)]+[(−21)×(−6)]

=(−21)×[(−4)+(−6)]

= (−21)×(–10)

= 210

Now, taking RHS we have

= [(-21) × (-4)] + [(-21) × (−6)]

= 84 + 126

= 210

Hence, LHS = RHS

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