Question

49x² - 42xy +9y² factorize it in long please​

Answer 1

Step-by-step explanation:

49x^2+9y^2-42xy

(7x)^2+(3y)^2-2(7x)(3y)

checking identity (a-b)^2=a^2+b^2-2ab

(7x-3y)^2

(7x-3y)(7x-3y)

answer hope it helps you

Mark it as brainlist

Answer 2

Answer:

49x²-44xy+9x²

• 49x²-21xy-21xy+9y²
• 7x(7x-3y)-3y(7x-3y)
• (7x-3y)(7x-3y)

i hope this will help u

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