From the figure calculate work from 0m to 10m

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Someone me what is the area of this figure? 18m 18m 8m 16m

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer