\(-3(6x+5y)=-18x-15y\)

\(-6+(-3p-5)=-6-3p-5=-3p-11\)

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

\(5(-9a+8)=-45a+40\)

\(-4(6x-2)+3(8x+9)=-24x+8+24x+27=35\)

\(-8x(-7x-9)=56x^2+72x\)

\((4p+2)+(-7p+5)=4p+2-7p+5=-3p+7\)

\((7a-6)-(9a-3)=7a-6+-9a+3=-2a-3\)

\(-8(4p-3q-9)=-32p+24q+72\)

\((-6a-9)(-4b-5)=24ab+30a+36b+45\)

\((3x+7)(2x-5)=6x^2-15x+14x-35=6x^2-x-35\)

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

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

\((9x+7)^2=81x^2+126x+49\)

\((6a-4b)^2=36a^2-48ab+16b^2\)

\((x+6)(x-4)(x+8)=(x+6)(x^2+4x-32)=x^3+4x^2-32x+6x^2+24x-192=x^3+10x^2-8x-192\)

\(a(a+3)(a+2)=a(a^2+5a+6)=a^3+5a^2+6a\)

\((5x+8y)(5x-8y)=25x^2-64y^2\)

\((-2a+5)(-2a-5)=4a^2-25\)

\((p-8)(p+8)=p^2-64\)