X(2)+8X+16=9

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Solution for X(2)+8X+16=9 equation:


Simplifying
X(2) + 8X + 16 = 9

Reorder the terms for easier multiplication:
2X + 8X + 16 = 9

Reorder the terms:
16 + 2X + 8X = 9

Combine like terms: 2X + 8X = 10X
16 + 10X = 9

Solving
16 + 10X = 9

Solving for variable 'X'.

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

Add '-16' to each side of the equation.
16 + -16 + 10X = 9 + -16

Combine like terms: 16 + -16 = 0
0 + 10X = 9 + -16
10X = 9 + -16

Combine like terms: 9 + -16 = -7
10X = -7

Divide each side by '10'.
X = -0.7

Simplifying
X = -0.7

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