Question

4√27-5√12=? Plz cine stie

Answer 1

$4 \sqrt{27} - 5 \sqrt{12} = 4 \times 3 \sqrt{3} - 5 \times 2 \sqrt{3} = 12 \sqrt{3} - 10 \sqrt{3} = 2 \sqrt{3}$

Answer 2

4$\sqrt{7}$ - 5$\sqrt{12}$ = 4$\sqrt{9*3}$ - 5$\sqrt{4*3}$ = 4*3$\sqrt{3}$ - 5*2$\sqrt{3}$ = 12$\sqrt{3}$ - 10$\sqrt{3}$ = 2$\sqrt{3}$