Example

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

Question

$$-2 { x }^{ 2 } +8x=0$$

Answer

x=0,4

Solution


Factor out the common term \(2x\).
\[-2x(x-4)=0\]
Divide both sides by \(-2\).
\[x(x-4)=0\]
Solve for \(x\).
\[x=0,4\]
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