Which of the following is the solution to the quadratic equation -x2-5x-6=0 using the quadratic formula

x = -2; x = -3

Step-by-step explanation:

(-x - 3)(x + 2) = 0

(-x - 3) = 0

x = -3

(x + 2) = 0

x = -2

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.