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Work out: 3(a+5b)+4(2a+4b)
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Work out:
3(a+5b)+4(2a+4b)

User Lobsang
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2 Answers

2 votes
Distribute
3a + 15b + 8a + 16b
Add the like terms
11a + 31b

User Lampbob
by
8.1k points
4 votes
Multiply the brackets.

3a + 15b + 8a + 16b

Now add the ones with the same variables.

11a + 31b

∴The answer is 11a + 31b


User Ioanna
by
8.7k points
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