Respuesta :
Answer: x= -5twice
Step-by-step explanation:
6x2+60x+150=0
Quadratic equation
But firstly,divide all by 6
6x2/6+60x/6+150/6=0
X2+10x+25=0
Variable of 25 that will give 10 is 5&5
Substitute
X2+5x+5x+25=0
X(x+5)+5(x+5)=0
(X+5)(x+5)=0
X+5=0
X= -5 twice