Question

$\sqrt{5} {x}^{2} + 2x - 3 \sqrt{5}$​

Answer 1

${5x}^{2} + 2x - 15$

${5x}^{2} + 5x - 3x - 15$

$( {5x}^{2} + 5x)( - 3x - 15)$

$5x(x + 1) - 3(x - 5)$

this this is your answer

Answer 2

=>√5x²+2x-3√5

=>√5×2+2x-3√5

=>√10+2x-3√5

= >12x=2/5

Reciprocal

x=>2/5×12

=6x

Answer..............,....