Question

√18 - √20 - √50 + √45​

Answer 1

Answer:

3√2-2√5-5√2+3√5=√5-2√2

Step-by-step explanation:

Answer 2

Answer:

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

Step-by-step explanation:

= $3\sqrt{2}-2\sqrt{5}-5\sqrt{2}+\sqrt{45}$

= $-2\sqrt{2}-2\sqrt{5}+\sqrt{45}$

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

= $-2\sqrt{2}+\sqrt{5}$