\(-8(-6x+2y)=48x-16y\)

\(5+(-2p+7)=5-2p+7=-2p+12\)

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

\(-8(-6x-9)=48x+72\)

\(4(6a-2)+3(-9a-7)=24a-8-27a-21=-3a-29\)

\(-6a(-2a+5)=12a^2-30a\)

\((-7x+2)+(-5x-9)=-7x+2-5x-9=-12x-7\)

\((-9p+7)-(-4p-8)=-9p+7+4p+8=-5p+15\)

\(-9(-8a+5b+4)=72a-45b-36\)

\((9x-7)(5y-6)=45xy-54x-35y+42\)

\((2a-7)(-9a+3)=-18a^2+6a+63a-21=-18a^2+69a-21\)

\((p+4)(p-8)=p^2-8p+4p-32=p^2-4p-32\)

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

\((2x-5)^2=4x^2-20x+25\)

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

\((x-5)(x-2)(x-9)=(x-5)(x^2-11x+18)=x^3-11x^2+18x-5x^2+55x-90=x^3-16x^2+73x-90\)

\(a(a-4)(a-6)=a(a^2-10a+24)=a^3-10a^2+24a\)

\((-3a-4b)(-3a+4b)=9a^2-16b^2\)

\((6x+7)(6x-7)=36x^2-49\)

\((p-6)(p+6)=p^2-36\)