2.1=2.1+2.8x-3.5x^2

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Solution for 2.1=2.1+2.8x-3.5x^2 equation: 


Simplifying
2.1 = 2.1 + 2.8x + -3.5x2

Add '-2.1' to each side of the equation.
2.1 + -2.1 = 2.1 + 2.8x + -2.1 + -3.5x2

Combine like terms: 2.1 + -2.1 = 0.0
0.0 = 2.1 + 2.8x + -2.1 + -3.5x2

Reorder the terms:
0.0 = 2.1 + -2.1 + 2.8x + -3.5x2

Combine like terms: 2.1 + -2.1 = 0.0
0.0 = 0.0 + 2.8x + -3.5x2
0.0 = 2.8x + -3.5x2

Solving
0.0 = 2.8x + -3.5x2

Solving for variable 'x'.
Remove the zero:
-2.8x + 3.5x2 = 2.8x + -3.5x2 + -2.8x + 3.5x2

Reorder the terms:
-2.8x + 3.5x2 = 2.8x + -2.8x + -3.5x2 + 3.5x2

Combine like terms: 2.8x + -2.8x = 0.0
-2.8x + 3.5x2 = 0.0 + -3.5x2 + 3.5x2
-2.8x + 3.5x2 = -3.5x2 + 3.5x2

Combine like terms: -3.5x2 + 3.5x2 = 0.0
-2.8x + 3.5x2 = 0.0

The solution to this equation could not be determined.

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