(300/x)- (300/(x+5)) = 2 SOLVE IT, This my Last question of HW
Answers
Answered by
0
Answer:
(300/x)- (300/x+5) =2
(300(x+5))- 300x/x(x+5) =2
300x+1500-300x /x2+5x=2
cross multiply
1500 = 2(x2+5x)
1500= 2x2 +10x
1500/2 =x2+5x
x2 +5x - 750 =0
x2+30x-25x-750 = 0
x (x+30)-25(x+30)=0
(x-25)(x+30)=0
x-25 =0 ; x+30 =0
x=25; x = -30
Similar questions