2x^2+20x=-70

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Solution for 2x^2+20x=-70 equation:


Simplifying
2x2 + 20x = -70

Reorder the terms:
20x + 2x2 = -70

Solving
20x + 2x2 = -70

Solving for variable 'x'.

Reorder the terms:
70 + 20x + 2x2 = -70 + 70

Combine like terms: -70 + 70 = 0
70 + 20x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(35 + 10x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(35 + 10x + x2)' equal to zero and attempt to solve: Simplifying 35 + 10x + x2 = 0 Solving 35 + 10x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-35' to each side of the equation. 35 + 10x + -35 + x2 = 0 + -35 Reorder the terms: 35 + -35 + 10x + x2 = 0 + -35 Combine like terms: 35 + -35 = 0 0 + 10x + x2 = 0 + -35 10x + x2 = 0 + -35 Combine like terms: 0 + -35 = -35 10x + x2 = -35 The x term is 10x. Take half its coefficient (5). Square it (25) and add it to both sides. Add '25' to each side of the equation. 10x + 25 + x2 = -35 + 25 Reorder the terms: 25 + 10x + x2 = -35 + 25 Combine like terms: -35 + 25 = -10 25 + 10x + x2 = -10 Factor a perfect square on the left side: (x + 5)(x + 5) = -10 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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