(2x-4)2-9=0

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Solution for (2x-4)2-9=0 equation:


Simplifying
(2x + -4) * 2 + -9 = 0

Reorder the terms:
(-4 + 2x) * 2 + -9 = 0

Reorder the terms for easier multiplication:
2(-4 + 2x) + -9 = 0
(-4 * 2 + 2x * 2) + -9 = 0
(-8 + 4x) + -9 = 0

Reorder the terms:
-8 + -9 + 4x = 0

Combine like terms: -8 + -9 = -17
-17 + 4x = 0

Solving
-17 + 4x = 0

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + 4x = 0 + 17

Combine like terms: -17 + 17 = 0
0 + 4x = 0 + 17
4x = 0 + 17

Combine like terms: 0 + 17 = 17
4x = 17

Divide each side by '4'.
x = 4.25

Simplifying
x = 4.25

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