find the value of poly 3x³-2x+3 at x= -2
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Step-by-step explanation:
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Answer:
answer is -17
Step-by-step explanation:
3x³-2x + 3
putting x= -2
= 3 (-2)³ -2(-2) +3
=3 (-8) +4+3
= -24 +7 = -17
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