Question

2x^2 +3 (root5)x +5..............

Answer 1

2x^2+3√5x+5

2x^2+2√5x+√5x+5

2x(x+√5)+√5(x+√5)

(2x+√5)(x+√5)

$\red{\huge{\boxed{\underline{\mathfrak{follow\:me}}}}}$

Answer 2

2x^2 +3root5 +5

= 2x^2 + 2(root5)x + (root5)x+ 5

= 2x(x+ root5) + root5(x + root5)

= (2x + root5)(x + root5)

x = -root5/2

x=-root5

hope it may help u....