Answer :

Answer:

x³ + x² - 42x + 7 = 0

Step-by-step explanation:

Given: [tex](x + 7)(x^2 - 6x + 1) = 0[/tex].

To simplify it we can multiply both the terms.

[tex]$ \implies x^3 - 6x^2 + 7x^2 - 42x + 7 = 0 $[/tex]

[tex]$ \implies x^3 + x^2 - 42x + 7 = 0 $[/tex]

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