Question

Please help me !!!

( the directions are at the top of the picture )

Answer what you can correctly for a brainliest and also get a thanks ! Don't answer if you don't know it .

Answer 1

$10)~20n^2-52n-24=4(5n^2-13n-6)=4(5n+2)(n-3)\\\\ 11)~10k^2+75k+35=5(2k^2+15k+7)=5(2k+1)(k+7)\\\\ 12)~12x^2+2x-2=2(6x^2+x-1)=2(3x-1)(2x+1)\\\\ 13)~15y^2-18y-24=3(5y^2-6y-8)=3(5y+4)(y-2)\\\\ 14)~32x^2-16x+2=2(16x^2-8x+1)=2(4x-1)^2\\\\ 15)~12m^2-24m-15=3(4m^2-8m-5)=3(2m-5)(2m+1)$