Question

(x-2/7).(x+3/4)=0 

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Answer 1

\(\left(x-\dfrac{2}{7}\right)\left(x+\dfrac{3}{4}\right)=0\)

\(\Leftrightarrow\left[{}\begin{matrix}x=\dfrac{2}{7}\\x=-\dfrac{3}{4}\end{matrix}\right.\)

Answer 2

\(\Rightarrow\left[{}\begin{matrix}x-\dfrac{2}{7}=0\\x+\dfrac{3}{4}=0\end{matrix}\right.\Rightarrow\left[{}\begin{matrix}x=\dfrac{2}{7}\\x=-\dfrac{3}{4}\end{matrix}\right.\)

Answer 3

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