Question

Write zeroes of polynomial x^2-x-6

Answer 1

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Given polynomial ,

x^2 - x - 6

Factorising the polynomial ,

= x^2 - 3x + 2x - 6

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

= (x - 3) (x + 2)

Now , finding the zeros ,

(i) x - 3 = 0

x = 3

(ii) x + 2 = 0

= x = -2

So, the zeros of the polynomial are ,

3 and -2