QuestionSimplify $5 \sqrt{20} - 2 \sqrt{45}$ in surd form.

Studdy Solution
Finally, simplify the expression $10\sqrt{5}-6\sqrt{5}$ by subtracting $6\sqrt{5}$ from $10\sqrt{5}$.
$$10\sqrt{5}-6\sqrt{5} =4\sqrt{5}$$The simplified form of $5 \sqrt{20}-2 \sqrt{45}$ in surds form is $4\sqrt{5}$.