2x(x+9)-7X=

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Solution for 2x(x+9)-7X= equation: 


Simplifying
2x(x + 9) + -7X = 0

Reorder the terms:
2x(9 + x) + -7X = 0
(9 * 2x + x * 2x) + -7X = 0
(18x + 2x2) + -7X = 0

Reorder the terms:
-7X + 18x + 2x2 = 0

Solving
-7X + 18x + 2x2 = 0

Solving for variable 'X'.

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

Add '-18x' to each side of the equation.
-7X + 18x + -18x + 2x2 = 0 + -18x

Combine like terms: 18x + -18x = 0
-7X + 0 + 2x2 = 0 + -18x
-7X + 2x2 = 0 + -18x
Remove the zero:
-7X + 2x2 = -18x

Add '-2x2' to each side of the equation.
-7X + 2x2 + -2x2 = -18x + -2x2

Combine like terms: 2x2 + -2x2 = 0
-7X + 0 = -18x + -2x2
-7X = -18x + -2x2

Divide each side by '-7'.
X = 2.571428571x + 0.2857142857x2

Simplifying
X = 2.571428571x + 0.2857142857x2

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