6. 2x²+11x+6=( )( ) 7. 2X²-5X-12=( )( ) 8. 4X²+11x-3=( )( ) 9. 2x²+6x-20=( )( ) 10. 16-34x+4x2=

[tex]2x^2+11x-6= \frac{1}{2} (2x+12)(2x-1) \\ \\ 2x^2+11x+6= \frac{1}{2} .2(x+6)(2x-1) \\ \\ 2x^2+11x+6=(x+6)(2x-1) \\ \\ ===================== \\ \\ 2x^2-5x-12= \frac{1}{2} (2x-8)(2x+3) \\ \\ 2x^2-5x-12= \frac{1}{2}.2(x-4)(2x+3) \\ \\ 2x^2-5x-12=(x-4)(2x+3) \\ \\ ===================== \\ \\ 4x^2+11x-3= \frac{1}{4} (4x+12)(4x-1) \\ \\ 4x^2+11x-3= \frac{1}{4} .4(x+3)(4x-1) \\ \\ 4x^2+11x-3= (x+3)(4x-1) \\ \\ ===================== \\ \\ [/tex]

[tex]2x^2+6x-20= \frac{1}{2} (2x+10)(2x-4) \\ \\ 2x^2+6x-20= \frac{1}{2} .2(x+5)(2x-4) \\ \\ 2x^2+6x-20= (x+5)(2x-4) \\ \\ ===================== \\ \\ 4x^2-34x+16= \frac{1}{4} (4x-32)(4x-2) \\ \\ 4x^2-34x+16= \frac{1}{4} .4(x-8)(4x-2) \\ \\ 4x^2-34x+16= (x-8)(4x-2)[/tex]