2x^2-7c-9=0

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Solution for 2x^2-7c-9=0 equation:


Simplifying
2x2 + -7c + -9 = 0

Reorder the terms:
-9 + -7c + 2x2 = 0

Solving
-9 + -7c + 2x2 = 0

Solving for variable 'c'.

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

Add '9' to each side of the equation.
-9 + -7c + 9 + 2x2 = 0 + 9

Reorder the terms:
-9 + 9 + -7c + 2x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -7c + 2x2 = 0 + 9
-7c + 2x2 = 0 + 9

Combine like terms: 0 + 9 = 9
-7c + 2x2 = 9

Add '-2x2' to each side of the equation.
-7c + 2x2 + -2x2 = 9 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-7c + 0 = 9 + -2x2
-7c = 9 + -2x2

Divide each side by '-7'.
c = -1.285714286 + 0.2857142857x2

Simplifying
c = -1.285714286 + 0.2857142857x2

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