Question

Factor: 36 -(y - 4)^2

Answer 1

first take out the GCF

Answer 2

Difference of squares.\[\ \ \ \ 36-(y-4)^2\\=(6+(y-4))(6-(y-4))\\=-(y+2)(y-10)\]

Answer 3

how did you get the last part?

Answer 4

@v_ejc \[(6+(y-4))(6-(y-4))=(6+y-4)(6-y+4)=(y+2)(10-y)=-(y+2)(y-10)\]