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Simplifying 4x * 4x + 2x * 2x = 30 Reorder the terms for easier multiplication: 4 * 4x * x + 2x * 2x = 30 Multiply 4 * 4 16x * x + 2x * 2x = 30 Multiply x * x 16x2 + 2x * 2x = 30 Reorder the terms for easier multiplication: 16x2 + 2 * 2x * x = 30 Multiply 2 * 2 16x2 + 4x * x = 30 Multiply x * x 16x2 + 4x2 = 30 Combine like terms: 16x2 + 4x2 = 20x2 20x2 = 30 Solving 20x2 = 30 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '20'. x2 = 1.5 Simplifying x2 = 1.5 Take the square root of each side: x = {-1.224744871, 1.224744871}
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