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Simplifying -2h2 + -14h + -30 = 0 Reorder the terms: -30 + -14h + -2h2 = 0 Solving -30 + -14h + -2h2 = 0 Solving for variable 'h'. Factor out the Greatest Common Factor (GCF), '-2'. -2(15 + 7h + h2) = 0 Ignore the factor -2.Subproblem 1
Set the factor '(15 + 7h + h2)' equal to zero and attempt to solve: Simplifying 15 + 7h + h2 = 0 Solving 15 + 7h + h2 = 0 Begin completing the square. Move the constant term to the right: Add '-15' to each side of the equation. 15 + 7h + -15 + h2 = 0 + -15 Reorder the terms: 15 + -15 + 7h + h2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + 7h + h2 = 0 + -15 7h + h2 = 0 + -15 Combine like terms: 0 + -15 = -15 7h + h2 = -15 The h term is 7h. Take half its coefficient (3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. 7h + 12.25 + h2 = -15 + 12.25 Reorder the terms: 12.25 + 7h + h2 = -15 + 12.25 Combine like terms: -15 + 12.25 = -2.75 12.25 + 7h + h2 = -2.75 Factor a perfect square on the left side: (h + 3.5)(h + 3.5) = -2.75 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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