1.

2 upon 3 x square minus 1 upon 3 x is equal to 1

Answer»

2/3x^2 - 1/3x =1
Multiply whole EQUATION by 3
.
2x^2 - x= 3
2X^2 - X - 3=0

2*3=6 FACTORS 2&-3
and
2x^2+2X-3x-3=0
2x(x+1)-3(x+1)=0
(2X-3)(x+1)=0
x=2/3 & -1



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