Question

Answer 1

a)8x²-4x-8x²=4

-4x=4

x=-1

b) (3x-2)(x+2)=0

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