$(-12-12y)^2 = $   ?

$144\, +288\,y\,+ 144\,y^2$ $144\, +288\,y\,+ 24\,y^2$ $-12\, +288\,y\,+ 144\,y^2$ $-24\, +288\,y\,+ 144\,y^2$

$(-5x+7y)(-5x-7y) = $   ?

$25\,x^2\, -70\,x\,y\,+ 49\,y^2$ $25x \,- 49\,y^2$ $25\,x^2 \,- 49\,y^2$ $25\,x^2\, +70\,x\,y\,+ 49\,y^2$

$(8x+3y)^2 = $   ?

$64\,x^2\,+ 9\,y^2$ $8\,x^2\, +48\,x\,y\,+ 9\,y^2$ $64\,x^2\, +48\,x\,y\,+ 9\,y^2$ $64\,x^2\, +48\,x\,y\,+ 3\,y^2$

$(-8y-3)^2 = $   ?

$64\,y^2\, +48\,y\,+ 6$ $-16\,y^2\, +48\,y\,+ 9$ $64\,y^2\, +48\,y\,+ 9$ $64\,y^2\,- 9$

$(9y+10)^2 = $   ?

$9\,y^2\, +180\,y\,+ 100$ $81\,y^2\, +90\,y\,+ 100$ $18\,y^2\, +180\,y\,+ 100$ $81\,y^2\, +180\,y\,+ 100$

$(-8+5y)(-8-5y) = $   ?

$-16 \,- 25\,y^2$ $-8 \,- 25\,y^2$ $64 \,- 5\,y^2$ $64 \,- 25\,y^2$