$(-10x-2)^2 = $   ?

$100\,x^2\, +40\,x\,+ 4$ $100\,x^2\, +20\,x\,+ 4$ $-10\,x^2\, +40\,x\,+ 4$ $100\,x^2\, -40\,x\,+ 4$

$(9x+1)^2 = $   ?

$81\,x^2\, -18\,x\,+ 1$ $9\,x^2\, +18\,x\,+ 1$ $81\,x^2\, +18\,x\,+ 1$ $18\,x^2\, +18\,x\,+ 1$

$(-5x+12y)^2 = $   ?

$25\,x^2\, +120\,x\,y\,+ 144\,y^2$ $25\,x^2\, -120\,x\,y\,+ 144\,y^2$ $25\,x^2\, -60\,x\,y\,+ 144\,y^2$ $-25\,x^2\, -120\,x\,y\,+ 144\,y^2$

$(3y-11x)^2 = $   ?

$9\,y^2\, -66y\,+ 121\,x^2$ $9\,y^2\, -66\,x\,y\,+ 121\,x^2$ $9\,y^2\,- 121\,x^2$ $9\,y^2\, -66\,x\,y\,+ 22\,x^2$

$(5+7x)(5-7x) = $   ?

$10 \,- 49\,x^2$ $25 \,- 49\,x^2$ $25 \,+ 49\,x^2$ $5 \,- 7x$

$(-12y+2)(-12y-2) = $   ?

$144\,y^2 \,- 4$ $-144\,y^2 \,- 4$ $144\,y^2\, +48\,y\,+ 4$ $-12y \,- 2$