3d^2+d=10

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Solution for 3d^2+d=10 equation:


Simplifying
3d2 + d = 10

Reorder the terms:
d + 3d2 = 10

Solving
d + 3d2 = 10

Solving for variable 'd'.

Reorder the terms:
-10 + d + 3d2 = 10 + -10

Combine like terms: 10 + -10 = 0
-10 + d + 3d2 = 0

Factor a trinomial.
(-2 + -1d)(5 + -3d) = 0

Subproblem 1

Set the factor '(-2 + -1d)' equal to zero and attempt to solve: Simplifying -2 + -1d = 0 Solving -2 + -1d = 0 Move all terms containing d to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1d = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1d = 0 + 2 -1d = 0 + 2 Combine like terms: 0 + 2 = 2 -1d = 2 Divide each side by '-1'. d = -2 Simplifying d = -2

Subproblem 2

Set the factor '(5 + -3d)' equal to zero and attempt to solve: Simplifying 5 + -3d = 0 Solving 5 + -3d = 0 Move all terms containing d to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3d = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3d = 0 + -5 -3d = 0 + -5 Combine like terms: 0 + -5 = -5 -3d = -5 Divide each side by '-3'. d = 1.666666667 Simplifying d = 1.666666667

Solution

d = {-2, 1.666666667}

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