Answer:
a=9 , b=14
Step-by-step explanation:
Just do the operation (x+7)(x+2)
x(x)+x(2)+7(x)+7(2)
x^2+2x+7x+14
x^2+9x+14
So a=9 and b=14
-x/x^2-1
-x^2+x/x^3-x^2-x+1
x(-x+1)/(x+1)(x-1)(x-1)
x = 7/9
no
bc