Question

Am NEVOIE mult va rog!!...​

Answer 1

Explicație pas cu pas:

a)x²+7x=0

b)x²+2x-1x+2=x²+x+2=0

c)x²+4x-3x-12=x²+x-12=0

d)x²-6x+x-6=x²-5x-6=0

e)x²-2x+3x-6=x²+x-6=0

f)4x²+6x-2x-3=4x²+4x-3=0

g)10x²+4x+25x+10=10x²+29x+10=0

h)6x²+27x-16x-72=6x²+11x-72=0

j)28x²-8x+21x-6=28x²+13x-6=0