2(x^2+5)=9x

Solution for 2(x^2+5)=9x equation:

Simplifying
2(x2 + 5) = 9x

Reorder the terms:
2(5 + x2) = 9x
(5 * 2 + x2 * 2) = 9x
(10 + 2x2) = 9x

Solving
10 + 2x2 = 9x

Solving for variable 'x'.

Reorder the terms:
10 + -9x + 2x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
10 + -9x + 2x2 = 0

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

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

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

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

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

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

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

Divide each side by '-1'.
x = 2

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

Simplifying
5 + -2x = 0

Solving
5 + -2x = 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 + -2x = 0 + -5

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

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

Divide each side by '-2'.
x = 2.5

Simplifying
x = 2.5
Solution
x = {2, 2.5}