4x^2+3x+12=2

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Solution for 4x^2+3x+12=2 equation:


Simplifying
4x2 + 3x + 12 = 2

Reorder the terms:
12 + 3x + 4x2 = 2

Solving
12 + 3x + 4x2 = 2

Solving for variable 'x'.

Reorder the terms:
12 + -2 + 3x + 4x2 = 2 + -2

Combine like terms: 12 + -2 = 10
10 + 3x + 4x2 = 2 + -2

Combine like terms: 2 + -2 = 0
10 + 3x + 4x2 = 0

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
2.5 + 0.75x + x2 = 0

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + 0.75x + -2.5 + x2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + 0.75x + x2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 0.75x + x2 = 0 + -2.5
0.75x + x2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
0.75x + x2 = -2.5

The x term is 0.75x.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75x + 0.140625 + x2 = -2.5 + 0.140625

Reorder the terms:
0.140625 + 0.75x + x2 = -2.5 + 0.140625

Combine like terms: -2.5 + 0.140625 = -2.359375
0.140625 + 0.75x + x2 = -2.359375

Factor a perfect square on the left side:
(x + 0.375)(x + 0.375) = -2.359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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