Question

Find the zeroes of polynomial x2+5x+8

Answer 1

Answer:

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Zeroes of polynomial x2+5x−204

Using common factor method:-

x2+17x−12x−204

=x(x+17)−12(x+17)

=(x−12)(x+17)

To find zeroes of polynomial, we can equate the factor equal to zero.

∴(x−12)=0 ; (x+17)=0

x=12 ; x=−17

(12,−17) zeroes of polynomial.

Hence, the answer is (12,−17)

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