0=-2x^2+9x+5

Solution for 0=-2x^2+9x+5 equation:

Simplifying
0 = -2x2 + 9x + 5

Reorder the terms:
0 = 5 + 9x + -2x2

Solving
0 = 5 + 9x + -2x2

Solving for variable 'x'.

Combine like terms: 0 + -5 = -5
-5 + -9x + 2x2 = 5 + 9x + -2x2 + -5 + -9x + 2x2

Reorder the terms:
-5 + -9x + 2x2 = 5 + -5 + 9x + -9x + -2x2 + 2x2

Combine like terms: 5 + -5 = 0
-5 + -9x + 2x2 = 0 + 9x + -9x + -2x2 + 2x2
-5 + -9x + 2x2 = 9x + -9x + -2x2 + 2x2

Combine like terms: 9x + -9x = 0
-5 + -9x + 2x2 = 0 + -2x2 + 2x2
-5 + -9x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-5 + -9x + 2x2 = 0

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

Subproblem 1
Set the factor '(-1 + -2x)' equal to zero and attempt to solve:

Simplifying
-1 + -2x = 0

Solving
-1 + -2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + -2x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 0 + 1
-2x = 0 + 1

Combine like terms: 0 + 1 = 1
-2x = 1

Divide each side by '-2'.
x = -0.5

Simplifying
x = -0.5
Subproblem 2
Set the factor '(5 + -1x)' equal to zero and attempt to solve:

Simplifying
5 + -1x = 0

Solving
5 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -1x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 0 + -5
-1x = 0 + -5

Combine like terms: 0 + -5 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5
Solution
x = {-0.5, 5}