find the value of the polynomial 4x-x³+2x²-5 at x=-2
Answers
Answered by
1
Step-by-step explanation:
3..
_________________
Answered by
1
Answer:
3
Step-by-step explanation:
4(-2)-(-8)+2(4)-5
= (-8) +8+8-5
=8-5
= 3
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