nictrig nictrig

30-01-2017
Mathematics

Answered

the most inner parenthetical term confuses me...

5+2 [10 (5•3-10)-30] =

Verified Answer :

31-01-2017

5 + 2[ 10( 5 · 3 – 10 ) – 30 ]

= 5 + 2[ 10( 15 – 10 ) – 30 ]

= 5 + 2[ 10( 5 ) – 30 ]

= 5 + 2[ 50 – 30 ]

= 5 + 2[ 20 ]

= 5 + 40

= 45 <——— this is the answer.

I hope this helps. =)

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