4x^2+3x+7=3

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Solution for 4x^2+3x+7=3 equation:


Simplifying
4x2 + 3x + 7 = 3

Reorder the terms:
7 + 3x + 4x2 = 3

Solving
7 + 3x + 4x2 = 3

Solving for variable 'x'.

Reorder the terms:
7 + -3 + 3x + 4x2 = 3 + -3

Combine like terms: 7 + -3 = 4
4 + 3x + 4x2 = 3 + -3

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

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

Divide each side by '4'.
1 + 0.75x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 0.75x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + 0.75x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 0.75x + x2 = 0 + -1
0.75x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
0.75x + x2 = -1

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 = -1 + 0.140625

Reorder the terms:
0.140625 + 0.75x + x2 = -1 + 0.140625

Combine like terms: -1 + 0.140625 = -0.859375
0.140625 + 0.75x + x2 = -0.859375

Factor a perfect square on the left side:
(x + 0.375)(x + 0.375) = -0.859375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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