7x-11=5x(x-2)+2x-1

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Solution for 7x-11=5x(x-2)+2x-1 equation:


Simplifying
7x + -11 = 5x(x + -2) + 2x + -1

Reorder the terms:
-11 + 7x = 5x(x + -2) + 2x + -1

Reorder the terms:
-11 + 7x = 5x(-2 + x) + 2x + -1
-11 + 7x = (-2 * 5x + x * 5x) + 2x + -1
-11 + 7x = (-10x + 5x2) + 2x + -1

Reorder the terms:
-11 + 7x = -1 + -10x + 2x + 5x2

Combine like terms: -10x + 2x = -8x
-11 + 7x = -1 + -8x + 5x2

Solving
-11 + 7x = -1 + -8x + 5x2

Solving for variable 'x'.

Reorder the terms:
-11 + 1 + 7x + 8x + -5x2 = -1 + -8x + 5x2 + 1 + 8x + -5x2

Combine like terms: -11 + 1 = -10
-10 + 7x + 8x + -5x2 = -1 + -8x + 5x2 + 1 + 8x + -5x2

Combine like terms: 7x + 8x = 15x
-10 + 15x + -5x2 = -1 + -8x + 5x2 + 1 + 8x + -5x2

Reorder the terms:
-10 + 15x + -5x2 = -1 + 1 + -8x + 8x + 5x2 + -5x2

Combine like terms: -1 + 1 = 0
-10 + 15x + -5x2 = 0 + -8x + 8x + 5x2 + -5x2
-10 + 15x + -5x2 = -8x + 8x + 5x2 + -5x2

Combine like terms: -8x + 8x = 0
-10 + 15x + -5x2 = 0 + 5x2 + -5x2
-10 + 15x + -5x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-10 + 15x + -5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-2 + 3x + -1x2) = 0

Factor a trinomial.
5((-2 + x)(1 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {2, 1}

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