find the value of polynomial 5x-4x^2+3 when x=-1
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Answer : -6
Step-by-step explanation :
Given Polynomial : 5x - 4x² + 3
⇒ 5x - 4x² + 3
⇒ 5(-1) - 4(-1)² + 3
⇒ - 5 - 4(1) + 3
⇒ - 5 - 4 + 3
⇒ - 6
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