Example

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

Question

$$-10 { x }^{ 2 } +20x=0$$

Answer

x=0,2

Solution


Factor out the common term \(10x\).
\[-10x(x-2)=0\]
Divide both sides by \(-10\).
\[x(x-2)=0\]
Solve for \(x\).
\[x=0,2\]
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