Ответ:
1)
21x-9 = 3(7х-3)
4x+10xy = 2х(2-5у)
5x^2-10х^2y^3 = 5х^2(1-2y^3)
х(3-x)+2(x-3) = х(3-x)-2(3-х) = (3-х)(х-2)
2)
7x+(x-y) = 7х + х - у = 8х-у
-4x-3(x-2y) = -4х-3х+6у = -7х+6у
(3x-2)(5+x) = 15х-10+3х^2-2х = 3х^2+13х-10
Объяснение:
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
1)
21x-9 = 3(7х-3)
4x+10xy = 2х(2-5у)
5x^2-10х^2y^3 = 5х^2(1-2y^3)
х(3-x)+2(x-3) = х(3-x)-2(3-х) = (3-х)(х-2)
2)
7x+(x-y) = 7х + х - у = 8х-у
-4x-3(x-2y) = -4х-3х+6у = -7х+6у
(3x-2)(5+x) = 15х-10+3х^2-2х = 3х^2+13х-10
Объяснение: