Create three fractions by replacing the word ‘blank’ in each fraction with a variable or number. You can use t?
Create three fractions by replacing the word ‘blank’ in each fraction with a variable or number. You can use the same value or three different replacement values. Explain all the work in simplifying your new addition problem.
3/blank + blank/aˆ2 - blank/aˆ3
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What's the problem. Use 1 for all three blanks and you get the nearly-easiest answer:
3/1 + 1/a² + 1/a³
The common denominator a³ and the problem becomes:
(3a³)/a³ + a/a³ + 1/a³ = (3a² + a + 1)/a³
The easiest answer is to replace the first blank with 3, the second blank with a² and the third by a³:
3/3 + a²/a² + a³/a³ = 1 + 1 + 1 = 3