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Lilit [14]
3 years ago
8

Zeros :-1,1,3;degree:3

Mathematics
1 answer:
forsale [732]3 years ago
7 0

Answer:

y = x³ - 3x² - x + 3

Step-by-step explanation:

Given the zeros x = - 1, x = 1 and x = 3 then

(x + 1), (x - 1) and (x - 3) are the factors and the polynomial is the product of the factors, hence

y = a(x - 1)(x + 1)(x - 3) ← a is a multiplier

let a = 1 and expand the factors

y = (x² - 1)(x - 3)

  = x³ - x - 3x² + 3

  = x³ - 3x² - x + 3 ← in standard form

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