For the first question the answer is
X=-9 or X=10
First you factor the left side of the question
(X+9)(X-10)=0 then u set factors equal to zero
X+9=0 or x -10=0
X=-9 or X=10
Now for question two is the second bubble of answer
Attached the solution and work.
Answer:
x-12/4
Step-by-step explanation:
hope its correct :-)
Answer:
6
Step-by-step explanation:
sorry if it wrong
Answer:
8%
Step-by-step explanation:
0.36/4.50=0.08=8%