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

Sagot :

Devishri1977idn

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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