Question

if p(x)=x³+x²-2x+4 then find the value of p(2)+p(-2)-p(0)
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Answer 1

Answer:

P(x) = x³ + 3x² - 2x + 4

P(2) = 2³ + 3(2)² - 2(2) + 4

= 8+3(4)-4+4

= 8+12-4+4

= 20

P(-2) = (-2)³ + 3(-2)² - 2(-2) + 4

= -8+3(4)+4+4

= -8+12+8

= 12

P(0) = 0³+3(0)²-2(0)+4

= 0+0-0+4

= 4

P(2) + P(-2) - P(0) = 20 + 12 - 4

= 32 - 4

= 28

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Answer 2

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