Question

6. (4 - 2x)(4 + 2x)
7. (3xy - abc)(3xy + abc)
8. (x2 + 4y2 )(x2 - 4y2 )
9. [2 + (x-1)][2 - (x - 1)]
10. [(x+2) -(y+1)][(x+2) + (y + 1)]
the one who can answer this with step by step I will mark him as brainliest
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Answer 1

Answer:

x-2y-\left(4x-6y-3-y+\left(5x-2y-3x+2y-3\right)\right)x−2y−(4x−6y−3−y+(5x−2y−3x+2y−3))

=x-2y-\left(2y-6y-y-2y+4x+5x-3x-3-3\right)=x−2y−(2y−6y−y−2y+4x+5x−3x−3−3)

=x-2y-\left(6x-7y-6\right)=x−2y−(6x−7y−6)

=x-2y-6x+7y+6=x−2y−6x+7y+6

=-5x+5y+6=−5x+5y+6

Answer 2

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