find the value of the polynomial 5x - 4x square + 3 at x is equal to -1
Answers
Answered by
10
Answer: 5x-4x^2+3 if x= -1
=-6
Step-by-step explanation:
=(5x-1)-(4x(-1)^2+3
=-5-4x1+3
=-5-4+3
=-9+3
=-6
Answered by
1
Answer:
23
Step-by-step explanation:
Hint= x=-1
5x-4x square +3
5×(-1)×-4×(-1)square +3
-5×-4×1+3
20+3=23
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