\(8(4a-6b)=32a-48b\)

\(8+(-7x+3)=8-7x+3=-7x+11\)

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

\(-2(-8p+3)=16p-6\)

\(3(9x-8)+2(-7x+5)=27x-24-14x+10=13x-14\)

\(-6a(-2a+7)=12a^2-42a\)

\((-5p-4)+(3p-6)=-5p-4+3p-6=-2p-10\)

\((-6x-4)-(2x+8)=-6x-4+-2x-8=-8x-12\)

\(4(-8p-9q+5)=-32p-36q+20\)

\((-3a-7)(8b+6)=-24ab-18a-56b-42\)

\((-7x+8)(4x-3)=-28x^2+21x+32x-24=-28x^2+53x-24\)

\((x+2)(x+7)=x^2+7x+2x+14=x^2+9x+14\)

\((a-7)^2=a^2-14a+49\)

\((3p+8)^2=9p^2+48p+64\)

\((8x+3y)^2=64x^2+48xy+9y^2\)

\((x+9)(x+7)(x+4)=(x+9)(x^2+11x+28)=x^3+11x^2+28x+9x^2+99x+252=x^3+20x^2+127x+252\)

\(x(x-8)(x+3)=x(x^2-5x-24)=x^3-5x^2-24x\)

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

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

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