Question

FACTORISE - 9(x-y)^2-(x^2+y^2)^2

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

9 (x + y) ^ 2-x ^ 2

= {3 (x + y)} ^ 2 - (x) ^ 2

nu är det i form av en ^ 2 - b ^ 2

så genom att använda den identiteten

{3 (x + y) -x} {3 (x + y) + x}

= (3x + 3y - x) (3x + 3y + x)

= (2x + 3y) (4x + 3y)

Step-by-step explanation:

sorry if u dont know swedish-9(x+y)^2-x^2

= {3 (x+y)}^2 -(x)^2

now, it is in the form of a^2 - b^2

so, by using that identity

{3 (x+y) -x}{3(x+y) + x}

= (3x + 3y - x) (3x + 3y +x)

= (2x + 3y )( 4x + 3y)