Question

5x²+2x-2, x=1 find zeros polynomial

Answer 1

Answer:

5 x 1 + 2 x 1 - 2

5 + 2 - 2

7 - 2

5

Answer

5

Answer 2

Answer:

How many maximum zeros will the polynomial 3x3−5x2−x have?

3x3−5x2−x=0⇒x(3x2−5x−1)=0.

⇒x=0 or 3x2−5x−1=0.

⇒x=0 or x=5±52+12√6=5±37√6.

⇒ The polynomial 3x3−5x2−x has three zeros, which are at

x=0,x=5+37√6 and x=5−37√6.