Bricklayers us formula n=7lh to estimate the number n of brick needed to build a wall of length L and height h, where l and h are in feet. Solve the fromula h

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 *_*