Question

find all of the real roots of x^3-7x+6=0

Answer 1

Put x = 1 in the equation and check whether the result is coming 0 or not??
Do it..

Answer 2

yes

Answer 3

and if x=-3:)

Answer 4

so, (x-1) is the factor of this equation..

Now by long division divide x^3 - 7x + 6 with (x - 1) and find the quotient..

Answer 5

use synthetic divison for finding real roots