7x^2-57x+56=-3x^2+13x-4

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Solution for 7x^2-57x+56=-3x^2+13x-4 equation:


Simplifying
7x2 + -57x + 56 = -3x2 + 13x + -4

Reorder the terms:
56 + -57x + 7x2 = -3x2 + 13x + -4

Reorder the terms:
56 + -57x + 7x2 = -4 + 13x + -3x2

Solving
56 + -57x + 7x2 = -4 + 13x + -3x2

Solving for variable 'x'.

Reorder the terms:
56 + 4 + -57x + -13x + 7x2 + 3x2 = -4 + 13x + -3x2 + 4 + -13x + 3x2

Combine like terms: 56 + 4 = 60
60 + -57x + -13x + 7x2 + 3x2 = -4 + 13x + -3x2 + 4 + -13x + 3x2

Combine like terms: -57x + -13x = -70x
60 + -70x + 7x2 + 3x2 = -4 + 13x + -3x2 + 4 + -13x + 3x2

Combine like terms: 7x2 + 3x2 = 10x2
60 + -70x + 10x2 = -4 + 13x + -3x2 + 4 + -13x + 3x2

Reorder the terms:
60 + -70x + 10x2 = -4 + 4 + 13x + -13x + -3x2 + 3x2

Combine like terms: -4 + 4 = 0
60 + -70x + 10x2 = 0 + 13x + -13x + -3x2 + 3x2
60 + -70x + 10x2 = 13x + -13x + -3x2 + 3x2

Combine like terms: 13x + -13x = 0
60 + -70x + 10x2 = 0 + -3x2 + 3x2
60 + -70x + 10x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
60 + -70x + 10x2 = 0

Factor out the Greatest Common Factor (GCF), '10'.
10(6 + -7x + x2) = 0

Factor a trinomial.
10((1 + -1x)(6 + -1x)) = 0

Ignore the factor 10.

Subproblem 1

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

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {1, 6}

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