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Simplify the expression.

(y^(2)-25)/(y^(2)-10 y+25)
Enclose numerators and denominators in parentheses. For example, 
(a-b)//(1+n).

Simplify the expression.\newliney225y210y+25 \frac{y^{2}-25}{y^{2}-10 y+25} \newlineEnclose numerators and denominators in parentheses. For example, (ab)/(1+n) (a-b) /(1+n) .

Full solution

Q. Simplify the expression.\newliney225y210y+25 \frac{y^{2}-25}{y^{2}-10 y+25} \newlineEnclose numerators and denominators in parentheses. For example, (ab)/(1+n) (a-b) /(1+n) .
  1. Factor Numerator and Denominator: Simplify the expression by factoring both the numerator and the denominator.\newlineNumerator: y225y^2 - 25 can be factored as (y5)(y+5)(y - 5)(y + 5).\newlineDenominator: y210y+25y^2 - 10y + 25 can be factored as (y5)(y5)(y - 5)(y - 5) or (y5)2(y - 5)^2.
  2. Cancel Common Factors: Cancel out the common factors in the numerator and the denominator.\newline(y5)(y+5)(y5)(y5)\frac{(y - 5)(y + 5)}{(y - 5)(y - 5)} simplifies to (y+5)(y5)\frac{(y + 5)}{(y - 5)}, assuming y5y \neq 5 to avoid division by zero.