How do you figure out a problem like this? (7*3*2/7*5)^2*(7^0/5^-3)^3*5^-9

First you would solve what is in each of the parenthesis

((7x3x2)/(7x5))^2 x ((7^0) / (5^-3))^3 x 5^-9

(42/35)^2 x (1/.008)^3 x 5^-9

(1.2)^2 x (125)^3 x 5^-9

1.44 x 1953125 x 5^-9

2812500 x 5^-9

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 *_*