[tex] \sqrt{10 x^{2} } [/tex]·[tex] \sqrt{5x} [/tex]=[tex] \sqrt{50 x^{3} } [/tex]. This can be simplified to 5x[tex] \sqrt{2x} [/tex], because √50 simplifies to 5√2 (since 5x5x2 equals 50) and the square root sign takes x² from x³ and turns it into just x.