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Simplifying 13(13) + 7x(7x) = y(y) Multiply 13 * 13 169 + 7x(7x) = y(y) Remove parenthesis around (7x) 169 + 7x * 7x = y(y) Reorder the terms for easier multiplication: 169 + 7 * 7x * x = y(y) Multiply 7 * 7 169 + 49x * x = y(y) Multiply x * x 169 + 49x2 = y(y) Multiply y * y 169 + 49x2 = y2 Solving 169 + 49x2 = y2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-169' to each side of the equation. 169 + -169 + 49x2 = -169 + y2 Combine like terms: 169 + -169 = 0 0 + 49x2 = -169 + y2 49x2 = -169 + y2 Divide each side by '49'. x2 = -3.448979592 + 0.02040816327y2 Simplifying x2 = -3.448979592 + 0.02040816327y2 Reorder the terms: 3.448979592 + x2 + -0.02040816327y2 = -3.448979592 + 0.02040816327y2 + 3.448979592 + -0.02040816327y2 Reorder the terms: 3.448979592 + x2 + -0.02040816327y2 = -3.448979592 + 3.448979592 + 0.02040816327y2 + -0.02040816327y2 Combine like terms: -3.448979592 + 3.448979592 = 0.000000000 3.448979592 + x2 + -0.02040816327y2 = 0.000000000 + 0.02040816327y2 + -0.02040816327y2 3.448979592 + x2 + -0.02040816327y2 = 0.02040816327y2 + -0.02040816327y2 Combine like terms: 0.02040816327y2 + -0.02040816327y2 = 0.00000000000 3.448979592 + x2 + -0.02040816327y2 = 0.00000000000 The solution to this equation could not be determined.
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