If p(x)=x2-3x+2. Find p(0), p(1), p(-1), p(2).
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Answer:
Given that P(x) = x³ + 3x² – 2x + 4
p(-2) = (-2)³ + 3(-2)² – 2(-2) + 4
= -8 + 12 + 4 + 4
= 12
p(1) = (1)³ + 3(1)² – 2(1) + 4
= 1 + 3 – 2 + 4
= 6
p(0) = 0³ + 3(0)² – 2(0) + 4
= 4
p(1) + p(-2) + p(0) = 12 + 6 + 4 = 22
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