If p (x) = x^2 - 4x +3 then the value of p(-2)-p(-1) is__________
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Step-by-step explanation:
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Answer:
p(x) = x² -4x + 3
p(-2) = (-2)²-4(-2)+3
= 4-(-8)+3
= 4+8+3
= 15
p(-1) = (-1)²-4(-1)+3
= 1-(-4)+3
= 1+4+3
= 8
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