Can someone plz help me with this one problem plz

W is equal to 7
When finding perimeter to add all the sides up so you’ll add 9+17 = 26 and if the perimeter is 40 you’ll subtract that by 26 and you’ll get 14. If there’s 2 sides and we know w is 14 we will divide by 2

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Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*