48р²g^4\36p²g³=4g\3
x²+6x+9 \ x²-9=(x+3)(x+3)\(x-3)(x+3)=x+3\x-3
2.
10x²\9y²=10*4x²*x\36y²x=40x³\36y²x
8\12xy=8*3y\36xy²=24y\36xy²
b+2\4b=(b+2)(b-2)\4b(b-2)=b²-4 \4b²-8b
4b+5 \4(b-2)=(4b+5)*b\4b(b-2)=4b²+5b \4b²-8b
2c\c+d =2c(d-c)\(c+d)(d-c)=2cd-2c² \d²-c²
3d \d-c=3d(c+d)\(c+d)(d-c)=3dc+3d² \d²-c²
5t\t²-25=5t*(t-5)\(t-5)(t+5)(t-5)
t+5 \ (t-5)²=(t+5)(t+5)\ (t-5)(t-5)(t+5)