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Oliga [24]
3 years ago
14

Write an algebraic expression that illustrates the multiplicative identity.

Mathematics
1 answer:
Alla [95]3 years ago
4 0
The multiplicative identity shows us that any time you multiply something by the number 1, the result would be what you started with.

Ex: 1(m) or 1 x m.

The reason for thusbis that when you are multiplying you are representing groups of something, so 1 group of anything or m, would just be that anything or m in this case!
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4/5

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Use the grouping method to factor the polynomial below completely 3x^3+9x^2+5x+15​
Tomtit [17]

Answer:

(x+3)( 3x^2 +5)

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3x^3+9x^2+5x+15​

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From the given options names of the plane R will be,  

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