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Question

Find the zeroes of the polynomial x2+5x204.

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Solution

Zeroes of polynomial x2+5x204
Using common factor method
x2+17x12x204
=x(x+17)12(x+17)
=(x12)(x+17)
To find zeroes of polynomial, we can equate the factor equal to zero.
(x12)=0 ; (x+17)=0
x=12 ; x=17
(12,17) zeroes of polynomial.
Hence, the answer is (12,17).

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