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Simplifying 2x2 + 16x + 338 = 0 Reorder the terms: 338 + 16x + 2x2 = 0 Solving 338 + 16x + 2x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(169 + 8x + x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(169 + 8x + x2)' equal to zero and attempt to solve: Simplifying 169 + 8x + x2 = 0 Solving 169 + 8x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-169' to each side of the equation. 169 + 8x + -169 + x2 = 0 + -169 Reorder the terms: 169 + -169 + 8x + x2 = 0 + -169 Combine like terms: 169 + -169 = 0 0 + 8x + x2 = 0 + -169 8x + x2 = 0 + -169 Combine like terms: 0 + -169 = -169 8x + x2 = -169 The x term is 8x. Take half its coefficient (4). Square it (16) and add it to both sides. Add '16' to each side of the equation. 8x + 16 + x2 = -169 + 16 Reorder the terms: 16 + 8x + x2 = -169 + 16 Combine like terms: -169 + 16 = -153 16 + 8x + x2 = -153 Factor a perfect square on the left side: (x + 4)(x + 4) = -153 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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