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## Answers

__Factorise : 125a3 + 27 + 135a +__

__225a2__**⇒ Quadratic formula**

__{ This sum can be solved through two way} :-__

**⇒synthetic division**

I have done quadratic forrmula ,,,,,,,,,,,,,,,,,,,,,

I have done quadratic forrmula ,,,,,,,,,,,,,,,,,,,,,

**⇒**

__125 a³ + 27 + 135 a + 225 a²__

⇒ 125 a³⇒ 125 a³

__+ 225 a__

__²__

__+ 135 a + 27__

⇒ (5 a )³⇒ (5 a )³

__+ 3 × ( 5 a )__

__²__

__× ( 3 ) + 3 × ( 5 a ) × ( 3 )__

__²__

__+ 3__

__3__⇒

__so we get answer as = ( 5 a + 3 )³__