Question

X square + 2 root 5 x minus 15 ​

Answer 1

X^2+ 2root 5-15

X^2+3root5-2roor5-15

Answer 2

HEYA ❣️

x²+2√5x-15

x²+3√5x-√5x-15

x(x+3√5) -√5(x+3√5)

(x-√5)(x+3√5)

therefore,

x=√5 and x= -3√5