-5=(x*-x)+4x

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Solution for -5=(x*-x)+4x equation:


Simplifying
-5 = (x * -1x) + 4x

Reorder the terms for easier multiplication:
-5 = (-1x * x) + 4x

Multiply x * x
-5 = (-1x2) + 4x

Reorder the terms:
-5 = 4x + (-1x2)

Solving
-5 = 4x + (-1x2)

Solving for variable 'x'.
-5 + -4x + x2 = 4x + (-1x2) + -4x + (x2)
-5 + -4x + x2 = 4x + (-1x2) + -4x + x2

Reorder the terms:
-5 + -4x + x2 = 4x + -4x + (-1x2) + x2

Combine like terms: 4x + -4x = 0
-5 + -4x + x2 = 0 + (-1x2) + x2
-5 + -4x + x2 = (-1x2) + x2

Combine like terms: (-1x2) + x2 = 0
-5 + -4x + x2 = 0

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

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 '(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

Solution

x = {-1, 5}

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