Question

Descompuneti in factori urmatoarele expresi,folosind formula a²-2ab+b²=(a-b)²
a)x²-2xy+y²
b)x²-xy+4y²
c)4x²+4xy+y2
d)9x²-24xy+16y
e)36x2-60x+25y²
f)x²-6x+9
g)x²-12x+36
h)x²-14x+45

Answer 1

Răspuns:

a) =(x-y)²

b) =(x-2y)²

c) =(2x+y)²

d) =(3x-4y)²

e) =(6x-5y)²

f) =(x-3)²

g) =(x-6)²

h) =(x-5)(x-9)