1.
[tex](x+3)(x-4)=-12\\\\x^2-x-12=-12\\\\x^2-x=0\\\\x(x-1)=0\\\\x=0\\\\x-1=0\\\\x=1[/tex]
2.
[tex]5\left(x-2\right)=\left(3x+2\right)\left(x-2\right)\\\\5\left(x-2\right)-\left(3x+2\right)\left(x-2\right)=0\\\\-3\left(x-2\right)\left(x-1\right)=0\\\\x-2=0\quad \mathrm\\\\\quad \:x-1=0\\\\x=2, x=1[/tex]
3. Ceva ai gresit in conditie cand ai copiat!
