using a calculator.
Using the method of chromatography.
You need two equations to use the addition method.
example of sinking fund
Solution can be found by using three methods: 1. Cross Multiplication Method 2. Substitution Method 3. Elimination Method Other Method can also be there but I don't know You can further get info about these method by searching these on Google Search.
Because, if two objects are supposed to be equal as per the equals() method, then the value returned by the hashCode() method must also be the same. This will not be the case if you override only the equals method and this can have some confusing effects when using those objects with hash related collections. So it is always a good idea to override the hashCode() method if you are providing an implementation for the equals method.
In basic medium using photometric method......
Since lead iodide is insoluble in an aqueous solution, you could filter it out using a funnel and filter paper.
Using the quadratic formula, I found the solution set is x=2,x=-9