Question

Descompunei in factori:
c)3x-yx-3y+yla patrat
d)2ab+b+2a+bla patrat
Urgent. Dau coroana si 100 puncte

Answer 1

c, =3(x-y) -y(x-y) = (x-y)(3-y)
d. = 2a(b+1) + b(b+1) = (b+1)(2a+b)

Answer 2

c) 3x - yx - 3y + y^2 = x(3-y) -y(3-y) = (3-y)(x-y)

d) 2ab + b + 2a + b^2 = 2a(b+1) + b(b+1) = (b+1)(2a+b)