ignaciom18 ignaciom18

24-01-2020
Mathematics

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-x3+3x2+5x+1
Evaluate when x=-12
Can someone help me I don’t understand this :(

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Respuesta :

marcthemathtutor marcthemathtutor

24-01-2020

Answer:

2102

Step-by-step explanation:

Evaluate -x³+3x²+5x+1 when x = -12

simply substitue x = -12 into the equation

-x³+3x²+5x+1 when x = -12

= - (-12)³ + 3(-12)² + 5(-12)+1

= -(-1728) + 3(144) - 60 + 1

= 1728 + 432 - 60 +1

= 2102

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