2x^2+4c-5=0

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Solution for 2x^2+4c-5=0 equation:


Simplifying
2x2 + 4c + -5 = 0

Reorder the terms:
-5 + 4c + 2x2 = 0

Solving
-5 + 4c + 2x2 = 0

Solving for variable 'c'.

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

Add '5' to each side of the equation.
-5 + 4c + 5 + 2x2 = 0 + 5

Reorder the terms:
-5 + 5 + 4c + 2x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 4c + 2x2 = 0 + 5
4c + 2x2 = 0 + 5

Combine like terms: 0 + 5 = 5
4c + 2x2 = 5

Add '-2x2' to each side of the equation.
4c + 2x2 + -2x2 = 5 + -2x2

Combine like terms: 2x2 + -2x2 = 0
4c + 0 = 5 + -2x2
4c = 5 + -2x2

Divide each side by '4'.
c = 1.25 + -0.5x2

Simplifying
c = 1.25 + -0.5x2

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