Question

Descompuneti in factori urmatoarele expresii:
a)x²+2x+1=
b)x²+4x+4=
c)4x²+4x+1=
d)9x²+6x+1=
e)9x²+12x+4=
f)9x²+24x+16=
g)49x²+14x+1=
h)16x²+40x+25=
i)4x²+20x+25=
j)9x²+42x+49=
Va roooog am nevoie ,dau coroana va roooooooooooooog fruuuuuuumooooooos

Answer 1

a)x²+2x+1= (x + 1)(x +1)
b)x²+4x+4= (x + 2)(x+2)
c)4x²+4x+1= (2x+1)(2x+1)
d)9x²+6x+1= (3x + 1)(3x+1) 
e)9x²+12x+4= (3x + 2)(3x + 2)
f)9x²+24x+16= (3x + 4)(3x + 4) 
g)49x²+14x+1= (7x + 1)(7x +1)
h)16x²+40x+25= ( 4x + 5)(4x +5)
i)4x²+20x+25= (2x + 5)(2x +5)
j)9x²+42x+49= (3x + 7)(3x + 7)