Respuesta :
Answer:
Step-by-step explanation:
put x+5=t
6t²+5t-4=0
solve for t and then find x
6t²+8t-3t-4=0
2t(3t+4)-1(3t+4)=0
(3t+4)(2t-1)=0
t=-4/3,1/2
x+5=-4/3
x=-4/3-5=-19/3
or x+5=1/2
x=1/2-5=-9/2
Answer:
Step-by-step explanation:
put x+5=t
6t²+5t-4=0
solve for t and then find x
6t²+8t-3t-4=0
2t(3t+4)-1(3t+4)=0
(3t+4)(2t-1)=0
t=-4/3,1/2
x+5=-4/3
x=-4/3-5=-19/3
or x+5=1/2
x=1/2-5=-9/2