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Digiron [165]
3 years ago
7

21-35aFactor the following expression​

Mathematics
1 answer:
erica [24]3 years ago
4 0

Answer:

7x(3-5a)

Step-by-step explanation:

21-35a =

to find a minimum common multiply you have to rationalize the number with the same numer, and this number must be a whole, this will help you to write the expression easier, if you notice that 21 and 35 are familiar of 7, then you can find a common factor, to multiply your expression

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