(x + 2)(x - 1)(x - 2) = 0 polynomial equations

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(x + 2)(x - 1)(x - 2) = 0
polynomial equations

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16 votes

Answer:

∴ (x + 2)(x - 1)(x - 2) = x³- x² - 4x + 4

Explanation:

(x + 2)(x - 1)(x - 2) = (x² + 2x - x - 2)(x - 2)

= (x² + x - 2)(x - 2)

= (x³ + x² - 2x - 2x² - 2x + 4)

= x³ - x² - 4x + 4

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