Question

If p(x) = 3(x)³ + 4(x)² – 5x + 8. Find p(-2)

Answer 1

Answer:

p(x)=3x³+4x²-5x+8

x = -2

p(-2) = 3(-2)³ + 4(-2)² - 5(-2) + 8

p(-2) = 3(-8) + 4(4) +10 + 8

p(-2) = -24 + 16 +10 + 8

p(-2) = -24 + 34

p(-2) = 10

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Answer 2

Answer:

p(x) = 3(x)³ + 4(x)² – 5x + 8

p(-2) = 3(-2)³ + 4(-2)² – 5(-2) + 8

p(-2)=v3(-8)+4(4)+5(2)+8

p(-2)= -24+16+10+8

p(-2)= 10

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