Find all the zeros of the equation. -x^3-3x^2=6x+4

The zeros of given expression is -1, and

Step-by-step explanation:

Given expresssion is

To find zeros of given expression we have to equate the expression to zero.

ie.,

By using synthetic division

-1  |  1    3    6    4

    |  0   -1   -2   -4

    |________________

       1    2   4    0

Therefore (x+1) is a  zero

Now the quadratic equation is

For quadratic equation  we have

Here a=1 ,b=2 and c=4 now substitute the values

where

Therefore  and

Therefore the zeros are -1, and

5x+10 is the correct one

hope this

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step-by-step explanation: