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Simplifying expressions
Cancelling common factors and combining fractions.
To simplify a rational expression, factor the numerator and the denominator and cancel what they share — remembering the cancelled factor still forbids the value that made it zero. Sums of fractions are combined over a common denominator, just like numbers.
ಕಾರ್ಯಗತಗೊಂಡ ಮಾದರಿ: simplify (x^2-1)/(x-1)
ಅಡಿಯಿಡು (step)
- \frac{x^{2} - 1}{x - 1}
Start from the expression.
- x + 1
Factor numerator and denominator and cancel common factors.
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