If a number is doubled, and 16 is added to it, the result is 40. what is the number?

The correct answer is 12

Step 1: The answer is doubled, 12 x 2 = 24

Step 2: 24 + 16 = 40

Plz give me brainliest if it is correct

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 *_*