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

$1)~12a-27=3(4a-9)\\\\ 2)~16k-24=8(2k-3)\\\\ 3)~48w^2-36w=12w(4w-3)\\\\ 4)~75x^2y-120xy=15xy(5x-8)\\\\ 5)~4a^3b-8a^2b^2+2ab^3=2ab(2a^2-4ab+b^2)\\\\ 6)~30m^4n^3-12m^3n^2+6m^2n=6m^2n(5m^2n^2-2mn+1)\\\\ 7)~x^2-81=(x-9)(x+9)\\\\ 8)~a^2-25b^2=(a-5b)(a+5b)\\\\ 9)45m^3n-5mn=5mn(9m^2-1)=5mn(3m-1)(3m+1)\\\\ 10)~98x-8x^3=2x(49-x^2)=2x(7-x)(7+x)$