Approximate the real number solution (s) to the polynomial function f (x) = x3 - 2x2 - 5x + 6.

Question

Mathematics

Adrien Pruitt

11 July, 05:44

Approximate the real number solution (s) to the polynomial function f (x) = x3 - 2x2 - 5x + 6.

+2

Answers (2)

Know the Answer?

Teagan Clay · Answer 1

Teagan Clay 11 July, 06:01

0

Its 3, 1, - 2, you are wrong

Sasha Roberts · Answer 2

Hello,

Number of solutions=3

x³-2x²-5x+6=x³-x²-x²+x-6x+6=x² (x-1) - x (x-1) - 6 (x-1) = (x-1) (x²-x-6)

= (x-1) (x²-3x+2x-6) = (x-1) (x (x-3) + 2 (x-3))

= (x-1) (x-3) (x+2)

Sol={1,3,-2}