Answer:
537/1000
Step-by-step explanation:
that number rounded is 0.537 because every number after is a 6 so you round it up and it cannot be simplified any further
that would be 67/125 easy
(g-h)=x^2+5-8-x
=x^2-x-3
(g-h)(-9) means x= -9
x^2-x-3
=(-9)^2-(-9)-3
=81+9-3
=90-3
=87
x=9