find a quadratic polynomial each with the given numbers as the sum and product of its zeros respectively (7,-18
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sum of zeroes = 7 (£+¥)
product of zeroes = -18 (£¥)
Required polynomila = x2 -(£+¥)x +(£¥)
=x2- (7)x +(-18)
=x2-7x-18
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