Ответ:
1) 16а^3 + 54b^3 = (4а)^3 + (6b) ^3 = (4a + 6b)(16a^2 - 24ab + 36b^2)
2) x^2 + 8x + 16 - 3xy - 12y = (x + 4)^2 - 3y(x - 4) = (x+4)(x+4) - 3y (x-4)
3) a^2 + 2ab + b^2 + 4a + 4b + 4 = (a + b)^2 + 4(a + b + 1) = (a + b)( a + b) + 4(a + b + 1)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
1) 16а^3 + 54b^3 = (4а)^3 + (6b) ^3 = (4a + 6b)(16a^2 - 24ab + 36b^2)
2) x^2 + 8x + 16 - 3xy - 12y = (x + 4)^2 - 3y(x - 4) = (x+4)(x+4) - 3y (x-4)
3) a^2 + 2ab + b^2 + 4a + 4b + 4 = (a + b)^2 + 4(a + b + 1) = (a + b)( a + b) + 4(a + b + 1)