Solve sqrt{50}-20

$$\sqrt { 50 } - 20$$

Evaluate

$$5\left(\sqrt{2}-4\right)\approx -12.928932188$$

Solution Steps

Factor 50=5^{2}\times 2. Rewrite the square root of the product \sqrt{5^{2}\times 2} as the product of square roots \sqrt{5^{2}}\sqrt{2}. Take the square root of 5^{2}.

$$5\sqrt{2}-20$$