Distribute:
4x-3(x-2y)+1/2(6x-8y)
4x-3x+6y+3x-4y
Gather X and Y terms
x+6y+3x-4y
x+3x+6y-4y
Answer: 4x+2y
Hope I helped :)
x2 - 22x + 121
= x2 - 11x - 11x +121
= x(x-11) - 11 ( x -11)
= (x-11) (x-11)