Solve for d.

d2–42d=0
Write each solution as an integer, proper fraction, or improper fraction in simplest form. If there are multiple solutions, separate them with commas.
d=

1 answer

To solve the equation \( d^2 - 42d = 0 \), we can factor it:

\[ d(d - 42) = 0 \]

Setting each factor equal to zero gives us:

  1. \( d = 0 \)
  2. \( d - 42 = 0 \) → \( d = 42 \)

Thus, the solutions are:

\[ d = 0, 42 \]

So, the final answer is:

\[ d = 0, 42 \]