Question

3)Descompuneti in factori:
a)$4x^{2} +12xy-8xz$
b)$( a+b)x^{2} -(a+b) y^{2}$
c)$a^{2} x+ a^{2} y- b^{2} x- b^{2} y$

Answer 1

b) (a+b)(x^2-y^2)=(a+b)(x-y)(x+y).
c) a^2(x+y)-b^2(x+y)=(a-b)(a+b)(x+y)
a) 4x(x+3y-2z)