\(3(9a-6b)=27a-18b\)

\(-4(2x-9)=-8x+36\)

\(9(-8x+6y-5)=-72x+54y-45\)

\(3(8p+7)-2(6p+5)=24p+21-12p-10=12p+11\)

\(-5a(-7a-4)=35a^2+20a\)

\(3+(2a+6)=3+2a+6=2a+9\)

\(8-(-3p+7)=8+3p-7=3p+1\)

\((-5x-2)(3y+9)=-15xy-45x-6y-18\)

\((-8a-6)(2a-5)=-16a^2+40a-12a+30=-16a^2+28a+30\)

\((x+5)(x-2)=x^2-2x+5x-10=x^2+3x-10\)

\((-2p-4)+(-8p+6)=-2p-4-8p+6=-10p+2\)

\((-7a-9)-(4a-5)=-7a-9+-4a+5=-11a-4\)

\((x+3)(x+4)(x-8)=(x+3)(x^2-4x-32)=x^3-4x^2-32x+3x^2-12x-96=x^3-x^2-44x-96\)

\(p(p+8)(p+4)=p(p^2+12p+32)=p^3+12p^2+32p\)

\((a+2)^2=a^2+4a+4\)

\((9a+4)^2=81a^2+72a+16\)

\((-2x-4y)^2=4x^2+16xy+16y^2\)

\((-9a-3b)(-9a+3b)=81a^2-9b^2\)

\((3x-7)(3x+7)=9x^2-49\)

\((a-7)(a+7)=a^2-49\)