It is: (y-14)(y-14)
x2-196 = (x-14)(x+14) when factored
It is (x+4)(x+5) when factored
196+133 = 329
It is (x-1)(x-1) when factored
2x2+5x+3 = (2x+3)(x+1) when factored
w2+18w+77 = (w+7)(w+11) when factored
2(a+b) is 2a plus 2b in factored form.
30a2+89a+63 = (5a+9)(6a+7) when factored
256 + 225 - 196 + 169 = 454
It is (x-1)(x-8) when factored
no
Yes.