2a^2+16a=-38

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Solution for 2a^2+16a=-38 equation:


Simplifying
2a2 + 16a = -38

Reorder the terms:
16a + 2a2 = -38

Solving
16a + 2a2 = -38

Solving for variable 'a'.

Reorder the terms:
38 + 16a + 2a2 = -38 + 38

Combine like terms: -38 + 38 = 0
38 + 16a + 2a2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(19 + 8a + a2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(19 + 8a + a2)' equal to zero and attempt to solve: Simplifying 19 + 8a + a2 = 0 Solving 19 + 8a + a2 = 0 Begin completing the square. Move the constant term to the right: Add '-19' to each side of the equation. 19 + 8a + -19 + a2 = 0 + -19 Reorder the terms: 19 + -19 + 8a + a2 = 0 + -19 Combine like terms: 19 + -19 = 0 0 + 8a + a2 = 0 + -19 8a + a2 = 0 + -19 Combine like terms: 0 + -19 = -19 8a + a2 = -19 The a term is 8a. Take half its coefficient (4). Square it (16) and add it to both sides. Add '16' to each side of the equation. 8a + 16 + a2 = -19 + 16 Reorder the terms: 16 + 8a + a2 = -19 + 16 Combine like terms: -19 + 16 = -3 16 + 8a + a2 = -3 Factor a perfect square on the left side: (a + 4)(a + 4) = -3 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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