Question

p(x)= x cube + 3x square - 2x + 4 .find p(2) + p(-2)-p(0)​

Answer 1

Answer:

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Step-by-step explanation:

p(x) = x³+3x²-2x+4

For p(2)

p(2) = 2³+3×(2)²-2×2+4

= 8 + 12 - 4+4

= 20

For p(-2)

p(-2)= (-2)³+3×(-2)²-2×(-2)+4

= -8 + 12 + 4 + 4

= 12

For p(0)

p(0) = 0³+3×(0)²-2×0+4

= 4

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

= 28