18.25=2x^2-5x+6.25

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Solution for 18.25=2x^2-5x+6.25 equation: 


Simplifying
18.25 = 2x2 + -5x + 6.25

Reorder the terms:
18.25 = 6.25 + -5x + 2x2

Solving
18.25 = 6.25 + -5x + 2x2

Solving for variable 'x'.

Combine like terms: 18.25 + -6.25 = 12
12 + 5x + -2x2 = 6.25 + -5x + 2x2 + -6.25 + 5x + -2x2

Reorder the terms:
12 + 5x + -2x2 = 6.25 + -6.25 + -5x + 5x + 2x2 + -2x2

Combine like terms: 6.25 + -6.25 = 0.00
12 + 5x + -2x2 = 0.00 + -5x + 5x + 2x2 + -2x2
12 + 5x + -2x2 = -5x + 5x + 2x2 + -2x2

Combine like terms: -5x + 5x = 0
12 + 5x + -2x2 = 0 + 2x2 + -2x2
12 + 5x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
12 + 5x + -2x2 = 0

Factor a trinomial.
(4 + -1x)(3 + 2x) = 0


Subproblem 1
Set the factor '(4 + -1x)' equal to zero and attempt to solve:

Simplifying
4 + -1x = 0

Solving
4 + -1x = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 0 + -4
-1x = 0 + -4

Combine like terms: 0 + -4 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4

Subproblem 2
Set the factor '(3 + 2x)' equal to zero and attempt to solve:

Simplifying
3 + 2x = 0

Solving
3 + 2x = 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 + 2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 0 + -3
2x = 0 + -3

Combine like terms: 0 + -3 = -3
2x = -3

Divide each side by '2'.
x = -1.5

Simplifying
x = -1.5
Solution
x = {4, -1.5}

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