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After you add or subtract two rational expressions it's a good idea to see if you can your answer?
reduce
After you add or subtract two rational expressions its a good idea to see if you can your answer?
You should check whether you can simplify the answer.
How do you find the fractions equivalent to the fractions with letter for denominators and numerator?
If you multiply the numerator and denominator of a fraction by any non-zero number, you get an equivalent fraction. It does not matter if the original numerator or denominator is (or both are) numbers, variables/letters or algebraic expressions. So x/y = 2x/2y = 7x/7y = 5.5x/5.5y. Hope you get the idea.
Where did they get the idea to create Roman Numerals?
Back in ancient Rome, they needed a counting system. I dunno, Romans can be pretty creative when it comes to math. So, vola! They came up with Roman numerals.
Why do you have to check the solutions when you have to solve radical equations?
Checking your solution in the original equation is always a good idea,simply to determine whether or not you made a mistake.If your solution doesn't make the original equation true, then it's wrong.
