eplumley eplumley

07-11-2021
Mathematics

contestada

Simplify the expression to a polynomial in standard form.
(x-2)(x2 +7x +4)

Respuesta :

devishri1977 devishri1977

07-11-2021

Answer:

Step-by-step explanation:

(x - 2)(x² + 7x + 4) = x(x² + 7x + 4) - 2*(x² + 7x + 4)

= x*x² + x*7x + 4*x - 2*x² -2* 7x -2* 4

= x³ + 7x² + 4x - 2x² -14x -8

= x³ + 7x² - 2x² + 4x - 14x - 8

= x³ + 5x² - 10x - 8

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