[(x)(x)]+9x+14=0

Solution for [(x)(x)]+9x+14=0 equation:

Simplifying
[(x)(x)] + 9x + 14 = 0

Multiply x * x
[x2] + 9x + 14 = 0
x2 + 9x + 14 = 0

Reorder the terms:
14 + 9x + x2 = 0

Solving
14 + 9x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + x)(2 + x) = 0

Subproblem 1
Set the factor '(7 + x)' equal to zero and attempt to solve:

Simplifying
7 + x = 0

Solving
7 + x = 0

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

Add '-7' to each side of the equation.
7 + -7 + x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + x = 0 + -7
x = 0 + -7

Combine like terms: 0 + -7 = -7
x = -7

Simplifying
x = -7
Subproblem 2
Set the factor '(2 + x)' equal to zero and attempt to solve:

Simplifying
2 + x = 0

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

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

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

Simplifying
x = -2
Solution
x = {-7, -2}