Question

find all the zeros of the polynomial x^3+3x^2-2x-6, if two of its zeroes are 2and -2​

Answer 1

Answer:

.....,....,...........❤️❤️❤️❤️

Answer 2

If two zeroes are √2 and -√2 so, the factor will be

(x-√2)(x+√2)=0

→ x²-2 = 0

now, dividing the expression with this,

x²-2)x³+3x²-2x-6(x+3

x³-2x

- +

+3x²-6

+3x²-6

- +

x

so, x³+3x²-2x-6 = (x²-2) (x+3)

All the factors are +√2 , -√2 and -3

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