x(x+17)=2x^2-4x+54

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Solution for x(x+17)=2x^2-4x+54 equation:


Simplifying
x(x + 17) = 2x2 + -4x + 54

Reorder the terms:
x(17 + x) = 2x2 + -4x + 54
(17 * x + x * x) = 2x2 + -4x + 54
(17x + x2) = 2x2 + -4x + 54

Reorder the terms:
17x + x2 = 54 + -4x + 2x2

Solving
17x + x2 = 54 + -4x + 2x2

Solving for variable 'x'.

Reorder the terms:
-54 + 17x + 4x + x2 + -2x2 = 54 + -4x + 2x2 + -54 + 4x + -2x2

Combine like terms: 17x + 4x = 21x
-54 + 21x + x2 + -2x2 = 54 + -4x + 2x2 + -54 + 4x + -2x2

Combine like terms: x2 + -2x2 = -1x2
-54 + 21x + -1x2 = 54 + -4x + 2x2 + -54 + 4x + -2x2

Reorder the terms:
-54 + 21x + -1x2 = 54 + -54 + -4x + 4x + 2x2 + -2x2

Combine like terms: 54 + -54 = 0
-54 + 21x + -1x2 = 0 + -4x + 4x + 2x2 + -2x2
-54 + 21x + -1x2 = -4x + 4x + 2x2 + -2x2

Combine like terms: -4x + 4x = 0
-54 + 21x + -1x2 = 0 + 2x2 + -2x2
-54 + 21x + -1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-54 + 21x + -1x2 = 0

Factor a trinomial.
(-18 + x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-18 + x)' equal to zero and attempt to solve: Simplifying -18 + x = 0 Solving -18 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = 0 + 18 Combine like terms: -18 + 18 = 0 0 + x = 0 + 18 x = 0 + 18 Combine like terms: 0 + 18 = 18 x = 18 Simplifying x = 18

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {18, 3}

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