Part a: solve the equation 7x + 3x - 18 = 6(x+3), and show your work.

part b: use this list of properties to justify each step of your math work. justifications maybe use more than once if needed

step-by-step explanation:

me

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

26 + 8 = 2*13 + 2*4 = 2*(13+4) = 2*(17)