2x^2+28x+196=0

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Solution for 2x^2+28x+196=0 equation:


Simplifying
2x2 + 28x + 196 = 0

Reorder the terms:
196 + 28x + 2x2 = 0

Solving
196 + 28x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(98 + 14x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(98 + 14x + x2)' equal to zero and attempt to solve: Simplifying 98 + 14x + x2 = 0 Solving 98 + 14x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-98' to each side of the equation. 98 + 14x + -98 + x2 = 0 + -98 Reorder the terms: 98 + -98 + 14x + x2 = 0 + -98 Combine like terms: 98 + -98 = 0 0 + 14x + x2 = 0 + -98 14x + x2 = 0 + -98 Combine like terms: 0 + -98 = -98 14x + x2 = -98 The x term is 14x. Take half its coefficient (7). Square it (49) and add it to both sides. Add '49' to each side of the equation. 14x + 49 + x2 = -98 + 49 Reorder the terms: 49 + 14x + x2 = -98 + 49 Combine like terms: -98 + 49 = -49 49 + 14x + x2 = -49 Factor a perfect square on the left side: (x + 7)(x + 7) = -49 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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