factorise 9x square + 6xy + y square
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Answered by
0
Answer:
Hope this helps you dear
Step-by-step explanation:
First method :-
9x² + 6xy + y²
=(3x)² + 2×3x×y + (y)²
=(3x + y ) ²
Second method :-
9x² + 6xy + y²
= 9x² + 3xy + 3xy + y²
= 3x ( 3x + y) + y ( 3x + y )
= ( 3x + y )( 3x + y )
= ( 3x + y)²
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Answered by
4
Answer:
9x²+6xy+y²
=9x² + 3xy + 3xy + y²
=3x (3x+y) + y (3x+y)
= (3x+y)²
Or
9x² + 6xy + y²
= (3x)² + 2 × 3x × y + (y)²
= (a)² + 2 × a × b + (b)² = (a+b)²
= (3x + y)²
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