You need to add the two quadratics together...
x^2+11x-6+6x^2-3x+9
7x^2+8x+3
Answer:

Step-by-step explanation:
(times 6 on both sides)
(add 4 to both sides)
(divide R on both sides)
thus

Answer:
I do not understand the question
Answer:
(x-7)(x+2/3)
Step-by-step explanation:
To easily find an equation with said roots, use the intercept form:
y=a(x-p)(x-q), where p and q are your roots.
y=(x-7)(x-(-2/3) = y=(x-7)(x+2/3)