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notsponge [240]
2 years ago
15

If p(x) = (x - 1) (x + 1), then find the value of p(2) + p(1) - p(0)

Mathematics
1 answer:
Afina-wow [57]2 years ago
7 0

Answer:

4

Step-by-step explanation:

p(x) = (x - 1) (x + 1) \\ plug \: x = 2 \: 1 \: 0 \: we \: find:   \\ \\ p(2) = (2 - 1) (2 + 1) = (1)(3) = 3 \\  p(1) = (1 - 1) (1 + 1) = (0)(2) = 0 \\   p(0) = (0 - 1) (0 + 1) = ( - 1)(1) =  - 1 \\  \\ p(2) + p(1) - p(0) \\  = 3 + 0 - ( - 1) \\  = 3 + 1 \\  = 4

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