30 POINTS. WILL MARK BRAINLIEST. PLZ ANSWER ASAP.
There are twice as many students in the cooking club as in the drama club. Suppose there are a students in the drama club and b students who are members of both clubs. Find an expression for the total number of students who are in the cooking club or the drama club (or both). Give your answer in simplest form.

3a - b

Step-by-step explanation:

Drama club: a

Since there are twice as many students in the cooking club as in the drama club,

Cooking club: 2a

Both: b

Total students = C + D - both

= 2a + a - b

= 3a - b

more detail

step-by-step explanation:

let's call the solutions x₁ = (5 - 2√7)/3 and x₂ = (5 + 2√7)/3

then the equation is (x-x₁)(x-x₂) = 0

if you fill that in you get a lot of numbers which you can recognize as ax²+bx+c=0.

step-by-step explanation:

you can see that a=1 (there is just an x²)

b = (-5 -2√7 + 2√7 - 5)/3 = -10/3

c = -2√7)/3 ) * (-5+2√7)/3) = -1/3

so your answer is 3x^2 – 10x – 1 = 0