If Y = 2x2 – 4x -7 what would x be if y = 0

Step-by-step explanation:

y=2×2-4x-7

o=4-4x-7

4x=4-7

4x=-3

x = -3

4

hope it helps.

30005

yes ok                                            

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.