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netineya [11]
2 years ago
5

Simplify the polynomial. Then find its value for the given value of the variable.

Mathematics
1 answer:
vekshin12 years ago
3 0

Answer:

Step-by-step explanation:

Simplified expression:

3x^3 -x^3 +5x^3-9x^3

2x^3 +5x^3-9x^3

7x^3 -9x^3

-2x^3

If x = -1, the value of the expression is:

-2x^3

-2(-1^3)

-2(-1)

2

Hope this helps!

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