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3 years ago

Which restriction is appropriate for the variable 4a + 12 / a + 3

Mathematics

2 answers:

bonufazy [111]3 years ago

5 0

I'll presume the slash is the fraction bar and the questioner is asking about

$\dfrac{4a+12}{a+3}$

That always equals 4 except when $a=-3$

So the restriction is

Answer: a ≠ -3

Archy [21]3 years ago

4 0

Answer:

The restriction is at a=-3

Step-by-step explanation:

You need to see if there are like terms. If there are that is a hole. For example you can a 4 out of the equation like so.

4(a+3)/a+3.

since they both have a+3 that is a hole. so a+3=0 so a=-3 is a restriction

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