x*x-4*x+3*x-2=28

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Solution for x*x-4*x+3*x-2=28 equation:


Simplifying
x * x + -4x + 3x + -2 = 28

Multiply x * x
x2 + -4x + 3x + -2 = 28

Reorder the terms:
-2 + -4x + 3x + x2 = 28

Combine like terms: -4x + 3x = -1x
-2 + -1x + x2 = 28

Solving
-2 + -1x + x2 = 28

Solving for variable 'x'.

Reorder the terms:
-2 + -28 + -1x + x2 = 28 + -28

Combine like terms: -2 + -28 = -30
-30 + -1x + x2 = 28 + -28

Combine like terms: 28 + -28 = 0
-30 + -1x + x2 = 0

Factor a trinomial.
(-5 + -1x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

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 = {-5, 6}

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