Question

E(x)=8x²-24x+18 supra 8x²_18

Answer 1

$E(x)=\frac{8*x^{2}-24x+18}{8x^{2}-18}=\frac{2(4x^{2}-12x+9)}{2(4x^{2}-9)}=\frac{4x^{2}-12x+9}{4x^{2}-9}=\frac{(2x-3)^{2}}{(2x-3)(2x+3)}=\frac{2x-3}{2x+3}$