How do I rewrite the expression as a multiple of a sum of 2 numbers with no common factor? 30 + 12

Mathematics

2 answers:

lys-0071 [83]3 years ago

7 0

2x(8+13)

Because 2x8=16 &
2x13=26

26+16=42 which is the same as the 30+12.

It basically looks like this: 2x8+2x13.
There's also the rule that you have to solve the multiplication before the addition one.

(2x8)+(2x13) also works

alexgriva [62]3 years ago

6 0

The common factor is 3

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Answer:

I'm in 10th grade so I'll see what I can do and will answer to the best of my ability.

Step-by-step explanation:

What Julie did wrong was, she did simplify she just did it wrong. She used 4*8 which does equal 32 but 8 can't be simplified anymore than that. If she would of used 2*16 then her answer would be right.

Hope this helps!

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