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Studentka2010 [4]

3 years ago

13

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

1 answer:

slamgirl [31]3 years ago

3 0

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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