求解 left(1+3sqrt{2}right)-4-sqrt{50} | Microsoft Math Solver

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-3+3\sqrt{2}-\sqrt{50}

将 1 减去 4，得到 -3。

-3+3\sqrt{2}-5\sqrt{2}

因式分解 50=5^{2}\times 2。将乘积 \sqrt{5^{2}\times 2} 的平方根重写为平方根 \sqrt{5^{2}}\sqrt{2} 的乘积。取 5^{2} 的平方根。

-3-2\sqrt{2}

合并 3\sqrt{2} 和 -5\sqrt{2}，得到 -2\sqrt{2}。

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