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प्रश्न
Simplify:
`5{"a"^2-"a"("a"-overline("a"-2))}`
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उत्तर
`5{"a"^2-"a"("a"-overline("a"-2))}`
= 5 {a2 − a (a − a + 2)}
= 5 {a2 − a2 + a2 − 2a}
= 5a2 − 5a2 + 5a2 − 10a
= 5a2 − 10a
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