(2m-3a)²= (2m-3a)(2m-3a)= 2m2m + 2m(-3a) - 3a2m - 3a(-3a)= 4m² - 6ma - 6ma + 9a²= 4m² - 12ma + 9a²
(x-4y)¹= x-4y
(3p-4y)³= (3p-4y)(3p-4y)(3p-4y)= (3p-4y)(9p² - 12py - 12py + 16y²)= 27p³ - 36p²y - 36p²y + 48py² - 36p²y + 48py² + 48py² - 64y³= 27p³ - 108p²y + 144py² - 64y³
(2m-3a)²
= (2m-3a)(2m-3a)
= 2m2m + 2m(-3a) - 3a2m - 3a(-3a)
= 4m² - 6ma - 6ma + 9a²
= 4m² - 12ma + 9a²
(x-4y)¹
= x-4y
(3p-4y)³
= (3p-4y)(3p-4y)(3p-4y)
= (3p-4y)(9p² - 12py - 12py + 16y²)
= 27p³ - 36p²y - 36p²y + 48py² - 36p²y + 48py² + 48py² - 64y³
= 27p³ - 108p²y + 144py² - 64y³