$(-10-3x)^2 = $   ?

$-20\, +60\,x\,+ 9\,x^2$ $100\, +60\,x\,+ 9\,x^2$ $-10\, +60\,x\,+ 9\,x^2$ $100\,- 9\,x^2$

$(2x+2y)(2x-2y) = $   ?

$4\,x^2\, -8\,x\,y\,+ 4\,y^2$ $2x \,- 2y$ $4\,x^2 \,+ 4\,y^2$ $4\,x^2 \,- 4\,y^2$

$(6x-4y)^2 = $   ?

$36\,x^2\, -48x\,+ 16\,y^2$ $36\,x^2\, +48\,x\,y\,+ 16\,y^2$ $36\,x^2\, -48\,x\,y\,+ 16\,y^2$ $6\,x^2\, -48\,x\,y\,+ 16\,y^2$

$(11+4y)^2 = $   ?

$11\, +88\,y\,+ 16\,y^2$ $121\, +88\,y\,+ 16\,y^2$ $121\, +44\,y\,+ 16\,y^2$ $121\,+ 16\,y^2$

$(-10+9x)^2 = $   ?

$100\, -180\,x\,+ 81\,x^2$ $100\,+ 81\,x^2$ $100\, -180\,x\,+ 18\,x^2$ $-10\, -180\,x\,+ 81\,x^2$

$(-6y+3)(-6y-3) = $   ?

$36\,y^2\, -36\,y\,+ 9$ $36\,y^2 \,- 9$ $-12\,y^2 \,- 9$ $36\,y^2 \,- 6$