Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$( { x }^{ 2 } -9)( { x }^{ 2 } +4)=0$$

Answer

x=3,-3,2*IM,-2*IM

Solution


Solve for \(x\).
\[x=\pm 3,\pm 2\imath \]
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