At the 2/8 part, just use the quadratic formula. If you use it, you should get the other two zeroes:

Answer: 10a, all of the numbers can be divided by 10a
10a (6x − 4y + 5z) = 60ax - 40ay + 50az
Y=-8x+240
look honestly im not sure if this is correct but its worth a shot
Answer:distance=(3,3)
Step-by-step explanation:
5-2=3
The area:

Substitution: u = - 6 x
du = - 6 dx
dx = -1/6 du
∫ -1/6 e^(u) du = - 1/6 e^(u) = - 1/6 e^(-6x)

=
π / 3