4x^2-20x+25=2x^2-2x+25

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Solution for 4x^2-20x+25=2x^2-2x+25 equation:


Simplifying
4x2 + -20x + 25 = 2x2 + -2x + 25

Reorder the terms:
25 + -20x + 4x2 = 2x2 + -2x + 25

Reorder the terms:
25 + -20x + 4x2 = 25 + -2x + 2x2

Add '-25' to each side of the equation.
25 + -20x + -25 + 4x2 = 25 + -2x + -25 + 2x2

Reorder the terms:
25 + -25 + -20x + 4x2 = 25 + -2x + -25 + 2x2

Combine like terms: 25 + -25 = 0
0 + -20x + 4x2 = 25 + -2x + -25 + 2x2
-20x + 4x2 = 25 + -2x + -25 + 2x2

Reorder the terms:
-20x + 4x2 = 25 + -25 + -2x + 2x2

Combine like terms: 25 + -25 = 0
-20x + 4x2 = 0 + -2x + 2x2
-20x + 4x2 = -2x + 2x2

Solving
-20x + 4x2 = -2x + 2x2

Solving for variable 'x'.

Reorder the terms:
-20x + 2x + 4x2 + -2x2 = -2x + 2x2 + 2x + -2x2

Combine like terms: -20x + 2x = -18x
-18x + 4x2 + -2x2 = -2x + 2x2 + 2x + -2x2

Combine like terms: 4x2 + -2x2 = 2x2
-18x + 2x2 = -2x + 2x2 + 2x + -2x2

Reorder the terms:
-18x + 2x2 = -2x + 2x + 2x2 + -2x2

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

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

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-9 + x) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-9 + x)' equal to zero and attempt to solve: Simplifying -9 + x = 0 Solving -9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + x = 0 + 9 x = 0 + 9 Combine like terms: 0 + 9 = 9 x = 9 Simplifying x = 9

Solution

x = {0, 9}

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