52. w²-15w-54 Factor w and -18 out from the expression w(x+3)-18(w+3) Factor out w+3 from the expression (w-18)(w+3)
54. -2h²+4h+70 Factor out -2 from the expression -2(h²-2h-35) Write -2h as a sum -2(h²+5h-7h-35) Factor out h and -7 from the expression -2(h * (h+5)-7(h+5)) Factor out h+5 from the expression -2(h-7)(h+5)
