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Simplify. Write your answer using whole numbers and variables.\newlined2−9dd−9\frac{d^2 - 9d}{d - 9}

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Full solution

Q. Simplify. Write your answer using whole numbers and variables.\newlined2−9dd−9\frac{d^2 - 9d}{d - 9}
  1. Identify expression: Identify the expression to be simplified.\newlineWe have the expression (d2−9d)/(d−9)(d^2 - 9d) / (d - 9).
  2. Factor numerator: Factor the numerator.\newlineThe numerator d2−9dd^2 - 9d can be factored by taking out the common factor dd.\newlined2−9d=d(d−9)d^2 - 9d = d(d - 9)
  3. Simplify expression: Simplify the expression.\newlineNow we have d(d−9)(d−9)\frac{d(d - 9)}{(d - 9)}. Since (d−9)(d - 9) is a common factor in the numerator and the denominator, we can cancel it out.\newlined(d−9)(d−9)=d\frac{d(d - 9)}{(d - 9)} = d

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