2d^2-9d+9=0

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Solution for 2d^2-9d+9=0 equation:


Simplifying
2d2 + -9d + 9 = 0

Reorder the terms:
9 + -9d + 2d2 = 0

Solving
9 + -9d + 2d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(3 + -2d)(3 + -1d) = 0

Subproblem 1

Set the factor '(3 + -2d)' equal to zero and attempt to solve: Simplifying 3 + -2d = 0 Solving 3 + -2d = 0 Move all terms containing d to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2d = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2d = 0 + -3 -2d = 0 + -3 Combine like terms: 0 + -3 = -3 -2d = -3 Divide each side by '-2'. d = 1.5 Simplifying d = 1.5

Subproblem 2

Set the factor '(3 + -1d)' equal to zero and attempt to solve: Simplifying 3 + -1d = 0 Solving 3 + -1d = 0 Move all terms containing d to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1d = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1d = 0 + -3 -1d = 0 + -3 Combine like terms: 0 + -3 = -3 -1d = -3 Divide each side by '-1'. d = 3 Simplifying d = 3

Solution

d = {1.5, 3}

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