Kaydenperra Kaydenperra

08-04-2019
Mathematics

contestada

Simplify (x-5)(x^2-2x-6)

Respuesta :

jimrgrant1 jimrgrant1

08-04-2019

Answer:

x³ - 7x² + 4x + 30

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x(x² - 2x - 6) - 5(x² - 2x - 6) ← distribute both parenthesis

= x³ - 2x² - 6x - 5x² + 10x + 30 ← collect like terms

= x³ - 7x² + 4x + 30

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