3 years ago

The expression 3(x-9) is equivalent to 3(x)+9. 3(x)+3(9). 3(x) – 9. 3(x) – 3(9).

Mathematics

2 answers:

sammy [17]3 years ago

3 0

Answer:

the answer is d

Step-by-step explanation:

3(x) - 3(9)

caus (+)× (-) = -

love history [14]3 years ago

3 0

Answer:

its d

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

break it down so it is 4(a+5)

then work out -2(a-5)

so 4 x a then 4 x 5 which gives 4a + 20

then -2 x a then -2 x -5 which gives -2a + 10

then when you have 4a + 20 -2a + 10

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so the answer comes to 2a + 30

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Step-by-step explanation:

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