X²+6x+9-9y² factorise this with steps
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x^2 + 6x + 9 - 9y^2
=> {(x)^2 + 2.x.3 + (3)^2} - (3y)^2
=> ( x+ 3 ) ^2 - ( 3y )^2
=> ( x + 3 +3y) ( x + 3 - 3y)
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Hope it'll help you...
=> {(x)^2 + 2.x.3 + (3)^2} - (3y)^2
=> ( x+ 3 ) ^2 - ( 3y )^2
=> ( x + 3 +3y) ( x + 3 - 3y)
.
.
.
Hope it'll help you...
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