Question

egin{tabular}{|c|c|} hline Q12 & egin{tabular}{l} Simplify: \ a) ( 3 x+4 y+9 x-y+7 x-3 x-7 y ) \ b) ( 6 x^{2}-5 x-7 x^{3}-8 x+1 ) \ c) ( -2(x-y)-3(2 x+y)+3(x-2 y) ) \ d) ( frac{x-5}{5}+frac{2 x-1}{2} ) end{tabular} \ hline A12 & Student Answer: \ hline end{tabular}

          egin{tabular}{|c|c|}
hline Q12 & egin{tabular}{l} 
Simplify: \
a) ( 3 x+4 y+9 x-y+7 x-3 x-7 y ) \
b) ( 6 x^{2}-5 x-7 x^{3}-8 x+1 ) \
c) ( -2(x-y)-3(2 x+y)+3(x-2 y) ) \
d) ( frac{x-5}{5}+frac{2 x-1}{2} )
end{tabular} \
hline A12 & Student Answer: \
hline
end{tabular}

$egintabular|c|c| hline Q12 egintabularl Simplify: a) ( 3 x+4 y+9 x-y+7 x-3 x-7 y ) b) ( 6 x^2-5 x-7 x^3-8 x+1 ) c) ( -2(x-y)-3(2 x+y)+3(x-2 y) ) d) ( fracx-55+frac2 x-12 ) endtabular hline A12 Student Answer: hline endtabular$