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anyanavicka [17]
3 years ago
14

Which is equivalent to the following expression?

Mathematics
2 answers:
vichka [17]3 years ago
7 0

30m +21

  • 4(9m + 3) + 9 - 2(3m), distribute the numbers into the parenthesis
  • 36m+12+9-6m, combine like terms
  • 30m + 21
garik1379 [7]3 years ago
6 0

Answer:

\huge{ \bold{ \boxed{ \text{30m + 21}}}}

Step-by-step explanation:

\text{4(9m + 3) + 9 - 2(3m) }

\text{Step \: 1} :  \text{Distribute \: 4 \: through \: the \: parentheses}

➵ \text{36m + 12 + 9 - 2(3m)}

\text{Step \: 2}  :   \text{Multiply \: 2 \: by \: 3m}

➵ \text{36m + 12 + 9 - 6m}

\text{Step \: 3 :  \: Combine \: like \: terms}

\text{Like \: terms \: are \: those \: which \: have \: the \: same \: base.}

➵ \text{36m - 6m + 12 + 9}

➵ \text{30m \:  + 12 + 9}

\text{Step \: 4 : Add \: the \: numbers}

➵ \text{30m \:  +  \: 21}

\sf{Hope \: I \: helped}!

\sf{Best \: regards} !

~TheAnimeGirl

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