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9514 1404 393
Answer:
70
Step-by-step explanation:
In general, put the number in the expression and do the arithmetic.
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Evaluating polynomials is sometimes easier if they are put into "Horner form."
= ((-5x +3)x -8)x +2
= ((-5(-2) +3)(-2) -8)(-2) +2 . . . . use -2 for x
= (13(-2) -8)(-2) +2
= (-34)(-2) +2
= 68 +2 = 70
The value of the expression when x = -2 is 70.
