yang tau tolong bangett dijawab

1) 4√2 + 15√8 - √50
@ 4√2 + 15√4x2 - √25x2
@ 4√2 + 30√2 - 5√2
@ 29√2

2) 2(a 1/3) x 5 (a^-1/2)
@ 2(a/3) x 5 x [tex] \frac{1}{ \sqrt{a} } [/tex]
@ [tex] \frac{2a}{3} [/tex] x [tex] \frac{5}{ \sqrt{a} } [/tex]

Semoga membantu... ^_^