(2 + 3 )- (5 x _ 7) 6 x+ 11 is =_8 by 3
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(2 + 3 )- (5 x -7) 6x+ 11 =-8/3
5-(30x²-42x)+11=-8/3
5-30x²+42x+11=-8/3
-30x²+42x+16= -8/3
30x²-42x-16=8/3
90x²-126x-48=8
90x²-126x-56=0
45x²-63x-28=0
45x²-(45+28)x-28=0
45x²-45x-28x-28=0
45x(x-1)-28(x-1)=0
(45x-28)(x-1)=0
x= 28/45 ,x=1
reetull11111:
to long
thnx
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