Question

answer questions please​

Answer 1

4.1 )

1 ) 25x² + 10xy + y²

2 ) 7t - 121

3 ) ( t² - 3t + t - 3 ) ( t - 6 )

( t² - 2t - 3 ) ( t - 6 )

t³ - 6t² - 2t² + 12t - 3t + 18

t³ - 8t² + 12t - 3t + 18

t³ - 8t² + 9t + 18

4 ) 4t² - 12tu + 20tu + 9u² - 3u

5 ) ( 2 - m + 3n ) ( 16 + m² + 9n² + 2m + 3mn - 6n )

32 - 12m + 18mn + 36n - m³ + 27n³

l don know 4.2