\(-3(8a-6b)=-24a+18b\)

\(4+(5x-8)=4+5x-8=5x-4\)

\(-9-(-8p-4)=-9+8p+4=8p-5\)

\(-4(-2x-8)=8x+32\)

\(2(-9a+5)+4(-8a-3)=-18a+10-32a-12=-50a-2\)

\(2p(-8p+9)=-16p^2+18p\)

\((2a+4)+(-6a-5)=2a+4-6a-5=-4a-1\)

\((-7a-6)-(4a+2)=-7a-6+-4a-2=-11a-8\)

\(8(5a-4b+3)=40a-32b+24\)

\((-6x-3)(-9y-5)=54xy+30x+27y+15\)

\((-8p+3)(7p-6)=-56p^2+48p+21p-18=-56p^2+69p-18\)

\((a+6)(a-7)=a^2-7a+6a-42=a^2-a-42\)

\((x+1)^2=x^2+2x+1\)

\((5p-4)^2=25p^2-40p+16\)

\((4a-2b)^2=16a^2-16ab+4b^2\)

\((x+5)(x-9)(x-7)=(x+5)(x^2-16x+63)=x^3-16x^2+63x+5x^2-80x+315=x^3-11x^2-17x+315\)

\(a(a+4)(a-5)=a(a^2-a-20)=a^3-a^2-20a\)

\((-6p-8q)(-6p+8q)=36p^2-64q^2\)

\((-2x+7)(-2x-7)=4x^2-49\)

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