3x-4/7+7/3x-4=5/2answer
Answers
Answered by
6
3x-4/7 +7/3x-4=5/2
(3x-4)(3x-4)+49/7(3x-4)= 5/2
9x^2+16-24x+49/21x-28=5/2
9x^2 -24x+65/21x-28=5/2
18x^2-48x+130= 105x-140
18x^2 -48x-105x+130+140=0
18x^2 -153x +270 =0
18x^2 -108x -45x+270 =0
18x(x-6) -45(x-6) =0
(x-6)(18x-45)=0
x=6 or x =45/18=5/2
Step-by-step explanation:
Similar questions