Question

3x^2+2√5x-5
Quadrtic formula

Answer 1

sum = 2√5
pro =-15
no= -1√5,3√5
3x2-1√5x+3√5x-5=0
x(3x-1√5)+√5(3x-1√5)=0
(3x-1√5)(x+√5)=0
x=1√5/3. x=-√5