3 years ago

How do i simplify (3x-y) (3x+y)

1 answer:

5 0

Answer:

Step-by-step explanation:

alright so first you want to multiply 3x by 3x and y

so far you have 9x^2+3xy

then you do y x 3x and y x y

now you have 9x^2+3xy+3xy+y^2

then you combine like terms to get the final answer of

9x62 + 6x^2y^2 + y^2

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How do i simplify (3x-y) (3x+y)​