0=x*x+10x+16

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Solution for 0=x*x+10x+16 equation:


Simplifying
0 = x * x + 10x + 16

Multiply x * x
0 = x2 + 10x + 16

Reorder the terms:
0 = 16 + 10x + x2

Solving
0 = 16 + 10x + x2

Solving for variable 'x'.

Combine like terms: 0 + -16 = -16
-16 + -10x + -1x2 = 16 + 10x + x2 + -16 + -10x + -1x2

Reorder the terms:
-16 + -10x + -1x2 = 16 + -16 + 10x + -10x + x2 + -1x2

Combine like terms: 16 + -16 = 0
-16 + -10x + -1x2 = 0 + 10x + -10x + x2 + -1x2
-16 + -10x + -1x2 = 10x + -10x + x2 + -1x2

Combine like terms: 10x + -10x = 0
-16 + -10x + -1x2 = 0 + x2 + -1x2
-16 + -10x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-16 + -10x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(16 + 10x + x2) = 0

Factor a trinomial.
-1((8 + x)(2 + x)) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(8 + x)' equal to zero and attempt to solve:

Simplifying
8 + x = 0

Solving
8 + x = 0

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

Add '-8' to each side of the equation.
8 + -8 + x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + x = 0 + -8
x = 0 + -8

Combine like terms: 0 + -8 = -8
x = -8

Simplifying
x = -8

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 = {-8, -2}

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