Example

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

Question

$$\frac { d ^ { 2 } y } { d x ^ { 2 } } - 3 \frac { d y } { d x } - 10 y = x ^ { 2 }$$

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