Question

factorise x²+8x+16-y²​

Answer 1

Answer:

( x + y + 4 )( x - y + 4 )

Step-by-step explanation:

x^2 + 8x +16 - y^2

or, x^2 + 4x + 4x + 16 - y^2

or,  x( x + 4 ) + 4( x + 4 ) - y^2

or, ( x + 4 )( x + 4 ) - y^2

or,  ( x + 4 )^2 - y^2

or,  ( x + 4 + y )( x + 4 - y )

or, ( x + y + 4 )( x - y + 4 )

Hope this helps, please mark brainliest.

Answer 2

Answer:

( x + 4 + y )( x + 4 - y )

or, ( x + y + 4 )( x - y + 4 )

Step-by-step explanation:

x^2 + 8x +16 - y^2

or, x^2 + 4x + 4x + 16 - y^2

or,  x( x + 4 ) + 4( x + 4 ) - y^2

or, ( x + 4 )( x + 4 ) - y^2

or,  ( x + 4 )^2 - y^2

or,  ( x + 4 + y )( x + 4 - y )

or, ( x + y + 4 )( x - y + 4 )