Question

reduceti termenii asemenea: 5√3+2-3√7+8√7-√3-2 va rog dau coroana!!!

Answer 1

5√3 + 2 - 3√7 + 8√7 - √3 - 2 =4√3 + 5√7

= ( 5√3 - √3 ) + ( 8√7 - 3√7 ) + ( 2 - 2) =

= 4√3 + 5√7

Answer 2

$5 \sqrt{3} + 2 - 3 \sqrt{7} + 8 \sqrt{7} - \sqrt{3} - 2 = \\ \\ (5 \sqrt{3} - 3) + (2 - 2) + ( - 3 \sqrt{7} + 8 \sqrt{7}) = \\ \\ 4 \sqrt{3} + 5 \sqrt{7}$