Question

Find all the zeros of the polynomial

(x + 1)(x - 4)(x2 - 7)

Answer 1

-1, 4
-1, 4, ± (radical) 7
0
No zeros

Answer 2

\(\large\color{blue}{ \rm f(x)= (x + 1)(x - 4)(x^2 - 7) }\)

\(\large\color{blue}{ \rm x + 1=0~~~~~,~~~~~x - 4=0~~~~~~or~~~~~~x^2 - 7=0 }\)

Answer 3

Solve for zeros in each `x-1` `x+4` and `x²-7`. (All answers will be real numbers, but not all rationals )

Answer 4

thank you!