\(-4(6a+5b)=-24a-20b\)

\(9+(-3x+4)=9-3x+4=-3x+13\)

\(5-(-3a+6)=5+3a-6=3a-1\)

\(-6(7p+4)=-42p-24\)

\(-4(7x+5)+3(9x-6)=-28x-20+27x-18=-x-38\)

\(-6x(5x-8)=-30x^2+48x\)

\((-7a-5)+(9a+3)=-7a-5+9a+3=2a-2\)

\((8a+2)-(-6a+5)=8a+2+6a-5=14a-3\)

\(-6(-3a+5b+8)=18a-30b-48\)

\((-9p+7)(-4q+2)=36pq-18p-28q+14\)

\((-7x+5)(9x+2)=-63x^2-14x+45x+10=-63x^2+31x+10\)

\((x-6)(x+2)=x^2+2x-6x-12=x^2-4x-12\)

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

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

\((7x+8y)^2=49x^2+112xy+64y^2\)

\((a+5)(a+8)(a+6)=(a+5)(a^2+14a+48)=a^3+14a^2+48a+5a^2+70a+240=a^3+19a^2+118a+240\)

\(x(x+8)(x-5)=x(x^2+3x-40)=x^3+3x^2-40x\)

\((-3x+9y)(-3x-9y)=9x^2-81y^2\)

\((4a-6)(4a+6)=16a^2-36\)

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