4-9x^2/6x^2-7x+2 disederhanakan menjadi
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[tex]\large\color{magenta}\rm{Soal}\\ \\ \rightarrow~\frac{4-9x^2}{6x^2-7x+2}\\ \\ \color{yellow}\rm{Jawab}\\ \\ \rightarrow~\gray{\frac{\left(2+3x\right)\left(2-3x\right)}{6x^2-7x+2}}\\ \\ \rightarrow~\purple{\frac{\left(2+3x\right)\left(2-3x\right)}{\left(2x-1\right)\left(3x-2\right)}}\\ \\ \rightarrow~\red{\frac{-\left(2+3x\right)\left(3x-2\right)}{\left(2x-1\right)\left(3x-2\right)}}\\ \\ \rightarrow~\blue{\frac{-\left(2+3x\right)}{2x-1}}~=~\pink{\frac{2+3x}{2x-1}}\\\\ \boxed{\orange{answer~by~mel}}[/tex]
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