Answer:
Step-by-step explanation:
[tex]\sqrt{27} = \sqrt{9}[/tex] ×[tex]\sqrt{3}[/tex] = 3 × [tex]\sqrt{3}[/tex] = [tex]3\sqrt{3}[/tex]
So then
[tex]5\sqrt{27} = 5[/tex] ×[tex]3\sqrt{3}[/tex] = [tex]15\sqrt{3[/tex]
And then
[tex]15\sqrt{3} - 17\sqrt{3} = -2\sqrt{3}[/tex]
