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

\(7+(-6x-9)=7-6x-9=-6x-2\)

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

\(-9(6a+2)=-54a-18\)

\(-2(9x-8)+4(7x+3)=-18x+16+28x+12=10x+28\)

\(-3a(8a+4)=-24a^2-12a\)

\((-5p-7)+(-3p-9)=-5p-7-3p-9=-8p-16\)

\((6a-5)-(9a+8)=6a-5+-9a-8=-3a-13\)

\(-4(-8a+9b-3)=32a-36b+12\)

\((-5a+9)(-4b+3)=20ab-15a-36b+27\)

\((-5x+3)(4x+2)=-20x^2-10x+12x+6=-20x^2+2x+6\)

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

\((x-3)^2=x^2-6x+9\)

\((-9p+8)^2=81p^2-144p+64\)

\((-6x-8y)^2=36x^2+96xy+64y^2\)

\((x-4)(x-6)(x+3)=(x-4)(x^2-3x-18)=x^3-3x^2-18x-4x^2+12x+72=x^3-7x^2-6x+72\)

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

\((8a+4b)(8a-4b)=64a^2-16b^2\)

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

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