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Use synthetic substitution to find f (-5) for f (x) = x3 – 5x +2.

Use synthetic substitution to find f (-5) for f (x) = x3 – 5x +2.
asked 149k views
24 votes
Use synthetic substitution to find f (-5) for f (x) = x3 – 5x +2.

asked
User Bayko
by
8.8k points

2 Answers

11 votes

(-5)^3 - 5(-5) + 2

-125 - (-25) + 2

= -98

answered
User RaShe
by
8.6k points
12 votes

Answer:

_5(_5)=25

25+2=27

3(_5)=_15

27_15=12

answered
User Vedburtruba
by
7.8k points
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