The sum of the squares of two consecutive even numbers is 340. What are the numbers?

["The Sum of the Squares of Two Consecutive Even Numbers Is 340. What Are the Numbers?", "If you’ve ever wondered about numbers that reveal elegance when squared and summed, the classic puzzle involving two consecutive even numbers adding up to 340 when squared captivates both math enthusiasts and curious learners. In this article, we explore the curious case of two consecutive even integers, how their squares sum to 340, and reveal the exact numbers behind this mathematical harmony.", "---", "### Understanding the Problem", "We’re given that the sum of the squares of two consecutive even numbers equals 340, and we want to find those numbers.", "Let’s define the numbers concretely:\nLet the smaller even number be ( x ). Since the numbers are consecutive even integers, the next even number is ( x + 2 ).", "The condition is:\n[\nx^2 + (x + 2)^2 = 340\n]", "---", "### Setting Up and Solving the Equation", "Expand the expression:\n[\nx^2 + (x^2 + 4x + 4) = 340\n]\n[\n2x^2 + 4x + 4 = 340\n]", "Subtract 340 from both sides:\n[\n2x^2 + 4x + 4 - 340 = 0\n]\n[\n2x^2 + 4x - 336 = 0\n]", "Divide the entire equation by 2 to simplify:\n[\nx^2 + 2x - 168 = 0\n]", "---", "### Solving the Quadratic Equation", "Use the quadratic formula:\n[\nx = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\n]\nwhere ( a = 1 ), ( b = 2 ), ( c = -168 ).", "Calculate the discriminant:\n[\n\sqrt{2^2 - 4(1)(-168)} = \sqrt{4 + 672} = \sqrt{676} = 26\n]", "Now solve:\n[\nx = \frac{-2 \pm 26}{2}\n]", "This gives two solutions:\n[\nx = \frac{-2 + 26}{2} = \frac{24}{2} = 12\n]\n[\nx = \frac{-2 - 26}{2} = \frac{-28}{2} = -14\n]", "---", "### Identifying the Even Numbers", "So the two consecutive even numbers are either:", "- ( 12 ) and ( 14 ), or\n- ( -14 ) and ( -12 )", "Both pairs consist of consecutive even integers. Check the sum of their squares:", "- ( 12^2 + 14^2 = 144 + 196 = 340 ) \n- ( (-14)^2 + (-12)^2 = 196 + 144 = 340 )", "Both are correct. So, the pairs are ( (12, 14) ) and ( (-14, -12) ).", "---", "### Why This Problem Matters (and Why It’s SEO-Relevant)", "This equation isn’t just an abstract puzzle—it showcases:\n- The predictable pattern of even numbers,\n- The method of forming and solving quadratic equations,\n- How algebraic reasoning translates real-world number patterns into elegant solutions.", "Chasing such problems helps build critical thinking skills and deepens understanding of algebra, especially quadratic equations and integer sequences.", "---", "### Final Answer", "The two consecutive even numbers whose squares sum to 340 are:\n12 and 14 (positive pair), and –14 and –12 (negative pair).", "Whether you’re a student tackling quadratic equations, a teacher exploring STEM teaching tools, or simply someone fascinated by numerical patterns, solving this puzzle connects theory with real number behavior.", "Try it yourself: Next time you look at 340, you’ll see not just a number—but a story written in squares and evenness.", "---", "Keywords for SEO:\nsum of squares of two consecutive even numbers, solve x² + (x+2)² = 340, consecutive even numbers sum of squares 340, quadratic equation even numbers, even number puzzle, algebraic problem solving, math puzzles for students, integers and quadratics, real number patterns, mathematical problems with elegant solutions."]








