Math, asked by annu2273, 1 year ago

expand-- (3x-2y+4) (3x-2y-4)​

Answers

Answered by Anonymous
21

(3x - 2y )² - (4)²

3x² + 4y² -12xy -16

Answered by prachi7255
16

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

9x^2-6xy-12x-6xy+4y^2+8y+12x-8y-16

9x^2+4y^2-12xy-16

hope it help u


prachi7255: is this right?
annu2273: i think yes
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