解決left(1+3sqrt{2}right)-4-sqrt{50} |Microsoft數學求解器

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

從 1 減去 4 會得到 -3。

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

因數分解 50=5^{2}\times 2。將產品 \sqrt{5^{2}\times 2} 的平方根重寫為平方根 \sqrt{5^{2}}\sqrt{2} 的乘積。取 5^{2} 的平方根。

-3-2\sqrt{2}

合併 3\sqrt{2} 和 -5\sqrt{2} 以取得 -2\sqrt{2}。

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