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]
