(x^2-10)=(5x+4)

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Solution for (x^2-10)=(5x+4) equation: 


Simplifying
(x2 + -10) = (5x + 4)

Reorder the terms:
(-10 + x2) = (5x + 4)

Remove parenthesis around (-10 + x2)
-10 + x2 = (5x + 4)

Reorder the terms:
-10 + x2 = (4 + 5x)

Remove parenthesis around (4 + 5x)
-10 + x2 = 4 + 5x

Solving
-10 + x2 = 4 + 5x

Solving for variable 'x'.

Reorder the terms:
-10 + -4 + -5x + x2 = 4 + 5x + -4 + -5x

Combine like terms: -10 + -4 = -14
-14 + -5x + x2 = 4 + 5x + -4 + -5x

Reorder the terms:
-14 + -5x + x2 = 4 + -4 + 5x + -5x

Combine like terms: 4 + -4 = 0
-14 + -5x + x2 = 0 + 5x + -5x
-14 + -5x + x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-14 + -5x + x2 = 0

Factor a trinomial.
(-2 + -1x)(7 + -1x) = 0


Subproblem 1
Set the factor '(-2 + -1x)' equal to zero and attempt to solve:

Simplifying
-2 + -1x = 0

Solving
-2 + -1x = 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 + -1x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = 0 + 2
-1x = 0 + 2

Combine like terms: 0 + 2 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(7 + -1x)' equal to zero and attempt to solve:

Simplifying
7 + -1x = 0

Solving
7 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7
Solution
x = {-2, 7}

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