Ответ:
7a + 7b + ax + bx
ya+ yx + 2a + 2x
3b-3y - bk + ky
12c2 - 6cy + 6y2
a + y - 2a2 - 2ay
x(x-1) = 0, x-1 = 0, x=1
y(y-4) = 0, y-4 = 0, y=4
y(5y-1) = 0, 5y - 1 = 0, y= 1/5, y = 0,2
Объяснение:
1. 1) 7(a+b)+x(a+b)=(7+x)(a+b)
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Ответ:
7a + 7b + ax + bx
ya+ yx + 2a + 2x
3b-3y - bk + ky
12c2 - 6cy + 6y2
a + y - 2a2 - 2ay
x(x-1) = 0, x-1 = 0, x=1
y(y-4) = 0, y-4 = 0, y=4
y(5y-1) = 0, 5y - 1 = 0, y= 1/5, y = 0,2
Объяснение:
1. 1) 7(a+b)+x(a+b)=(7+x)(a+b)