Q. Simplify the expression.y2−10y+25y2−25Enclose numerators and denominators in parentheses. For example, (a−b)/(1+n).
Factor Numerator and Denominator: Simplify the expression by factoring both the numerator and the denominator.Numerator: y2−25 can be factored as (y−5)(y+5).Denominator: y2−10y+25 can be factored as (y−5)(y−5) or (y−5)2.
Cancel Common Factors: Cancel out the common factors in the numerator and the denominator.(y−5)(y−5)(y−5)(y+5) simplifies to (y−5)(y+5), assuming y=5 to avoid division by zero.
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