2x^2-9x+30=x^2+16

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Solution for 2x^2-9x+30=x^2+16 equation: 


Simplifying
2x2 + -9x + 30 = x2 + 16

Reorder the terms:
30 + -9x + 2x2 = x2 + 16

Reorder the terms:
30 + -9x + 2x2 = 16 + x2

Solving
30 + -9x + 2x2 = 16 + x2

Solving for variable 'x'.

Reorder the terms:
30 + -16 + -9x + 2x2 + -1x2 = 16 + x2 + -16 + -1x2

Combine like terms: 30 + -16 = 14
14 + -9x + 2x2 + -1x2 = 16 + x2 + -16 + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
14 + -9x + 1x2 = 16 + x2 + -16 + -1x2

Reorder the terms:
14 + -9x + 1x2 = 16 + -16 + x2 + -1x2

Combine like terms: 16 + -16 = 0
14 + -9x + 1x2 = 0 + x2 + -1x2
14 + -9x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
14 + -9x + 1x2 = 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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