a ² + 2a + 1 divide by a+1
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a + 1
Step-by-step explanation:
⇒ a^2 + 2a + 1
⇒ a^2 + ( 1 + 1 )a + 1
⇒ a^2 + a + a + 1
⇒ a( a + 1 ) + ( a + 1 )
⇒ ( a + 1 )( a + 1 )
when it's divided by ( a + 1 ) :
⇒ ( a + 1 )( a + 1 ) / ( a + 1 )
⇒ a + 1
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